diff --git a/package.json b/package.json
index f13e9301d..4fd602ca6 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "devDependencies": {
+    "@vuepress/plugin-pwa": "^1.5.4",
     "node-sass": "^4.13.1",
     "sass-loader": "^8.0.2",
     "vuepress": "^1.3.0"
diff --git a/src/.vuepress/config.js b/src/.vuepress/config.js
index 0bc2ef640..c413a651c 100644
--- a/src/.vuepress/config.js
+++ b/src/.vuepress/config.js
@@ -216,6 +216,28 @@ module.exports = {
       rel: 'icon',
       href: '/logo.png'
     }],
+     ['link', { rel: 'manifest', href: '/manifest.json' }],
+    ['meta', { name: 'theme-color', content: '#3eaf7c' }],
+    ['meta', { name: 'apple-mobile-web-app-capable', content: 'yes' }],
+    [
+      'meta',
+      { name: 'apple-mobile-web-app-status-bar-style', content: 'black' }
+    ],
+    [
+      'link',
+      {
+        rel: 'apple-touch-icon',
+        href: '/images/icons/apple-icon-152x152.png'
+      }
+    ],
+    [
+      'meta',
+      {
+        name: 'msapplication-TileImage',
+        content: '/images/icons/ms-icon-144x144.png'
+      }
+    ],
+    ['meta', { name: 'msapplication-TileColor', content: '#000000' }],
     // localization for china
     [
       'script',
diff --git a/src/.vuepress/public/images/icons/android-icon-144x144.png b/src/.vuepress/public/images/icons/android-icon-144x144.png
new file mode 100644
index 000000000..c4b2a7425
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-144x144.png differ
diff --git a/src/.vuepress/public/images/icons/android-icon-192x192.png b/src/.vuepress/public/images/icons/android-icon-192x192.png
new file mode 100644
index 000000000..9d1d5fe05
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-192x192.png differ
diff --git a/src/.vuepress/public/images/icons/android-icon-36x36.png b/src/.vuepress/public/images/icons/android-icon-36x36.png
new file mode 100644
index 000000000..8d8696d2b
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-36x36.png differ
diff --git a/src/.vuepress/public/images/icons/android-icon-48x48.png b/src/.vuepress/public/images/icons/android-icon-48x48.png
new file mode 100644
index 000000000..508524bab
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-48x48.png differ
diff --git a/src/.vuepress/public/images/icons/android-icon-72x72.png b/src/.vuepress/public/images/icons/android-icon-72x72.png
new file mode 100644
index 000000000..7dda937b2
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-72x72.png differ
diff --git a/src/.vuepress/public/images/icons/android-icon-96x96.png b/src/.vuepress/public/images/icons/android-icon-96x96.png
new file mode 100644
index 000000000..a4756ba4f
Binary files /dev/null and b/src/.vuepress/public/images/icons/android-icon-96x96.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-114x114.png b/src/.vuepress/public/images/icons/apple-icon-114x114.png
new file mode 100644
index 000000000..f678b645d
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-114x114.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-120x120.png b/src/.vuepress/public/images/icons/apple-icon-120x120.png
new file mode 100644
index 000000000..983cb6b7a
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-120x120.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-144x144.png b/src/.vuepress/public/images/icons/apple-icon-144x144.png
new file mode 100644
index 000000000..c4b2a7425
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-144x144.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-152x152.png b/src/.vuepress/public/images/icons/apple-icon-152x152.png
new file mode 100644
index 000000000..a0b6ec6dc
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-152x152.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-180x180.png b/src/.vuepress/public/images/icons/apple-icon-180x180.png
new file mode 100644
index 000000000..997e6156e
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-180x180.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-57x57.png b/src/.vuepress/public/images/icons/apple-icon-57x57.png
new file mode 100644
index 000000000..0ec32b3fc
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-57x57.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-60x60.png b/src/.vuepress/public/images/icons/apple-icon-60x60.png
new file mode 100644
index 000000000..0f272ef69
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-60x60.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-72x72.png b/src/.vuepress/public/images/icons/apple-icon-72x72.png
new file mode 100644
index 000000000..7dda937b2
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-72x72.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-76x76.png b/src/.vuepress/public/images/icons/apple-icon-76x76.png
new file mode 100644
index 000000000..bb8754920
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-76x76.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon-precomposed.png b/src/.vuepress/public/images/icons/apple-icon-precomposed.png
new file mode 100644
index 000000000..9b0c56e10
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon-precomposed.png differ
diff --git a/src/.vuepress/public/images/icons/apple-icon.png b/src/.vuepress/public/images/icons/apple-icon.png
new file mode 100644
index 000000000..9b0c56e10
Binary files /dev/null and b/src/.vuepress/public/images/icons/apple-icon.png differ
diff --git a/src/.vuepress/public/images/icons/bacancy_technology.png b/src/.vuepress/public/images/icons/bacancy_technology.png
new file mode 100644
index 000000000..174019bbb
Binary files /dev/null and b/src/.vuepress/public/images/icons/bacancy_technology.png differ
diff --git a/src/.vuepress/public/images/icons/favicon-16x16.png b/src/.vuepress/public/images/icons/favicon-16x16.png
new file mode 100644
index 000000000..60be03c85
Binary files /dev/null and b/src/.vuepress/public/images/icons/favicon-16x16.png differ
diff --git a/src/.vuepress/public/images/icons/favicon-32x32.png b/src/.vuepress/public/images/icons/favicon-32x32.png
new file mode 100644
index 000000000..ce327e868
Binary files /dev/null and b/src/.vuepress/public/images/icons/favicon-32x32.png differ
diff --git a/src/.vuepress/public/images/icons/favicon-96x96.png b/src/.vuepress/public/images/icons/favicon-96x96.png
new file mode 100644
index 000000000..a4756ba4f
Binary files /dev/null and b/src/.vuepress/public/images/icons/favicon-96x96.png differ
diff --git a/src/.vuepress/public/images/icons/favicon.ico b/src/.vuepress/public/images/icons/favicon.ico
new file mode 100644
index 000000000..4f6c96a67
Binary files /dev/null and b/src/.vuepress/public/images/icons/favicon.ico differ
diff --git a/src/.vuepress/public/images/icons/ms-icon-144x144.png b/src/.vuepress/public/images/icons/ms-icon-144x144.png
new file mode 100644
index 000000000..c4b2a7425
Binary files /dev/null and b/src/.vuepress/public/images/icons/ms-icon-144x144.png differ
diff --git a/src/.vuepress/public/images/icons/ms-icon-150x150.png b/src/.vuepress/public/images/icons/ms-icon-150x150.png
new file mode 100644
index 000000000..962e04fec
Binary files /dev/null and b/src/.vuepress/public/images/icons/ms-icon-150x150.png differ
diff --git a/src/.vuepress/public/images/icons/ms-icon-310x310.png b/src/.vuepress/public/images/icons/ms-icon-310x310.png
new file mode 100644
index 000000000..264c3f83a
Binary files /dev/null and b/src/.vuepress/public/images/icons/ms-icon-310x310.png differ
diff --git a/src/.vuepress/public/images/icons/ms-icon-70x70.png b/src/.vuepress/public/images/icons/ms-icon-70x70.png
new file mode 100644
index 000000000..fde6d8188
Binary files /dev/null and b/src/.vuepress/public/images/icons/ms-icon-70x70.png differ
diff --git a/src/.vuepress/public/manifest.json b/src/.vuepress/public/manifest.json
new file mode 100644
index 000000000..d4843777b
--- /dev/null
+++ b/src/.vuepress/public/manifest.json
@@ -0,0 +1,35 @@
+{
+  "name": "Vue.js",
+  "short_name": "Vue.js",
+  "start_url": ".",
+  "display": "standalone",
+  "background_color": "#3eaf7c",
+  "description": "Vue.js framework documentation",
+  "icons": [
+    {
+      "src": "images/icons/android-icon-48x48.png",
+      "sizes": "48x48",
+      "type": "image/png"
+    },
+    {
+      "src": "images/icons/android-icon-72x72.png",
+      "sizes": "72x72",
+      "type": "image/png"
+    },
+    {
+      "src": "images/icons/android-icon-96x96.png",
+      "sizes": "96x96",
+      "type": "image/png"
+    },
+    {
+      "src": "images/icons/apple-icon-144x144.png",
+      "sizes": "144x144",
+      "type": "image/png"
+    },
+    {
+      "src": "images/icons/android-icon-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    }
+  ]
+}
diff --git a/src/.vuepress/theme/package.json b/src/.vuepress/theme/package.json
index ba8623708..f0118fd03 100644
--- a/src/.vuepress/theme/package.json
+++ b/src/.vuepress/theme/package.json
@@ -1,43 +1,21 @@
 {
-  "name": "vuejs-org-theme",
-  "version": "0.1.0-alpha",
-  "description": "Vuejs.org v2.0 VuePress Theme",
-  "keywords": [
-    "documentation",
-    "generator",
-    "vue",
-    "vuepress"
-  ],
-  "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/theme-default#readme",
-  "bugs": {
-    "url": "https://github.com/vuejs/vuepress/issues"
+  "devDependencies": {
+    "@vuepress/plugin-pwa": "^1.5.4",
+    "node-sass": "^4.13.1",
+    "sass-loader": "^8.0.2",
+    "vuepress": "^1.5.4"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/vuejs/vuepress.git",
-    "directory": "packages/@vuepress/theme-default"
+  "scripts": {
+    "dev": "yarn serve",
+    "serve": "vuepress dev src",
+    "build": "vuepress build src"
   },
-  "license": "MIT",
-  "author": "Ben Hong",
-  "main": "index.js",
   "dependencies": {
-    "@vuepress/plugin-active-header-links": "^1.3.1",
-    "@vuepress/plugin-nprogress": "^1.3.1",
-    "@vuepress/plugin-search": "^1.3.1",
-    "docsearch.js": "^2.5.2",
-    "lodash": "^4.17.15",
-    "stylus": "^0.54.5",
-    "stylus-loader": "^3.0.2",
-    "vuepress-plugin-container": "^2.0.2",
-    "vuepress-plugin-smooth-scroll": "^0.0.3"
-  },
-  "publishConfig": {
-    "access": "public"
-  },
-  "maintainers": [
-    {
-      "name": "Ben Hong",
-      "email": "ben@bencodezen.io"
-    }
-  ]
-}
+    "@docsearch/css": "^1.0.0-alpha.27",
+    "@docsearch/js": "^1.0.0-alpha.27",
+    "algoliasearch": "^4.4.0",
+    "axios": "^0.19.1",
+    "intersection-observer": "^0.11.0",
+    "showdown": "^1.9.1"
+  }
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 5819c6e7e..150a3ab83 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -944,7 +944,7 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/runtime@^7.11.0", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.11.0", "@babel/runtime@^7.3.4", "@babel/runtime@^7.8.4":
   version "7.11.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.11.2.tgz#f549c13c754cc40b87644b9fa9f09a6a95fe0736"
   integrity sha512-TeWkU52so0mPtDcaCTxNBI/IHiz0pZgr8VEFqXFtZWpYD08ZB6FaSwVAS8MKRQAP3bYKiVjwysOJgMFY28o6Tw==
@@ -1017,6 +1017,38 @@
   resolved "https://registry.yarnpkg.com/@francoischalifour/autocomplete-preset-algolia/-/autocomplete-preset-algolia-1.0.0-alpha.28.tgz#a5ad7996f42e43e4acbb4e0010d663746d0e9997"
   integrity sha512-bprfNmYt1opFUFEtD2XfY/kEsm13bzHQgU80uMjhuK0DJ914IjolT1GytpkdM6tJ4MBvyiJPP+bTtWO+BZ7c7w==
 
+"@hapi/address@2.x.x":
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/@hapi/address/-/address-2.1.4.tgz#5d67ed43f3fd41a69d4b9ff7b56e7c0d1d0a81e5"
+  integrity sha512-QD1PhQk+s31P1ixsX0H0Suoupp3VMXzIVMSwobR3F3MSUO2YCV0B7xqLcUw/Bh8yuvd3LhpyqLQWTNcRmp6IdQ==
+
+"@hapi/bourne@1.x.x":
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/@hapi/bourne/-/bourne-1.3.2.tgz#0a7095adea067243ce3283e1b56b8a8f453b242a"
+  integrity sha512-1dVNHT76Uu5N3eJNTYcvxee+jzX4Z9lfciqRRHCU27ihbUcYi+iSc2iml5Ke1LXe1SyJCLA0+14Jh4tXJgOppA==
+
+"@hapi/hoek@8.x.x", "@hapi/hoek@^8.3.0":
+  version "8.5.1"
+  resolved "https://registry.yarnpkg.com/@hapi/hoek/-/hoek-8.5.1.tgz#fde96064ca446dec8c55a8c2f130957b070c6e06"
+  integrity sha512-yN7kbciD87WzLGc5539Tn0sApjyiGHAJgKvG9W8C7O+6c7qmoQMfVs0W4bX17eqz6C78QJqqFrtgdK5EWf6Qow==
+
+"@hapi/joi@^15.0.0":
+  version "15.1.1"
+  resolved "https://registry.yarnpkg.com/@hapi/joi/-/joi-15.1.1.tgz#c675b8a71296f02833f8d6d243b34c57b8ce19d7"
+  integrity sha512-entf8ZMOK8sc+8YfeOlM8pCfg3b5+WZIKBfUaaJT8UsjAAPjartzxIYm3TIbjvA4u+u++KbcXD38k682nVHDAQ==
+  dependencies:
+    "@hapi/address" "2.x.x"
+    "@hapi/bourne" "1.x.x"
+    "@hapi/hoek" "8.x.x"
+    "@hapi/topo" "3.x.x"
+
+"@hapi/topo@3.x.x":
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/@hapi/topo/-/topo-3.1.6.tgz#68d935fa3eae7fdd5ab0d7f953f3205d8b2bfc29"
+  integrity sha512-tAag0jEcjwH+P2quUfipd7liWCNX2F8NvYjQp2wtInsZxnMlypdw0FtAOLxtvvkO+GSRRbmNi8m/5y42PQJYCQ==
+  dependencies:
+    "@hapi/hoek" "^8.3.0"
+
 "@mrmlnc/readdir-enhanced@^2.2.1":
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
@@ -1264,6 +1296,15 @@
   dependencies:
     nprogress "^0.2.0"
 
+"@vuepress/plugin-pwa@^1.5.4":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/plugin-pwa/-/plugin-pwa-1.6.0.tgz#4de907286cf5afc6e8ced03625ec7ed66a7c2310"
+  integrity sha512-8Y3KnbEtprolA83AGBcRdzVs64+ZjQRGWaRWAeEZIsWl1gNuwcMT+voS69IpbqMUH7cw8v/KDQdIJkEjvOBe0w==
+  dependencies:
+    "@vuepress/shared-utils" "1.6.0"
+    register-service-worker "^1.7.0"
+    workbox-build "^4.3.1"
+
 "@vuepress/plugin-register-components@1.5.3":
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/@vuepress/plugin-register-components/-/plugin-register-components-1.5.3.tgz#70e28460475e42b43435c6647ace537129116fb1"
@@ -1292,6 +1333,21 @@
     toml "^3.0.0"
     upath "^1.1.0"
 
+"@vuepress/shared-utils@1.6.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/shared-utils/-/shared-utils-1.6.0.tgz#8bf0c9c4e502bc6f10e70db3b236e816d8165631"
+  integrity sha512-+TMHgW7gmVY2lRX5qpPbsLkbxTBbzRo+Ar05tvEI0bAG0c6v2gWyQr3BchdbLyRJxrAVk530PABAjM8roDJ9bw==
+  dependencies:
+    chalk "^2.3.2"
+    escape-html "^1.0.3"
+    fs-extra "^7.0.1"
+    globby "^9.2.0"
+    gray-matter "^4.0.1"
+    hash-sum "^1.0.2"
+    semver "^6.0.0"
+    toml "^3.0.0"
+    upath "^1.1.0"
+
 "@vuepress/theme-default@1.5.3":
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/@vuepress/theme-default/-/theme-default-1.5.3.tgz#98112065b3c987d41463eca5db91a47dce823e45"
@@ -1807,6 +1863,13 @@ axios@^0.19.1:
   dependencies:
     follow-redirects "1.5.10"
 
+babel-extract-comments@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/babel-extract-comments/-/babel-extract-comments-1.0.0.tgz#0a2aedf81417ed391b85e18b4614e693a0351a21"
+  integrity sha512-qWWzi4TlddohA91bFwgt6zO/J0X+io7Qp184Fw0m2JYRSTZnJbFR8+07KmzudHCZgOiKRCrjhylwv9Xd8gfhVQ==
+  dependencies:
+    babylon "^6.18.0"
+
 babel-loader@^8.0.4:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-8.1.0.tgz#c611d5112bd5209abe8b9fa84c3e4da25275f1c3"
@@ -1825,6 +1888,32 @@ babel-plugin-dynamic-import-node@^2.3.3:
   dependencies:
     object.assign "^4.1.0"
 
+babel-plugin-syntax-object-rest-spread@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+  integrity sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=
+
+babel-plugin-transform-object-rest-spread@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-object-rest-spread/-/babel-plugin-transform-object-rest-spread-6.26.0.tgz#0f36692d50fef6b7e2d4b3ac1478137a963b7b06"
+  integrity sha1-DzZpLVD+9rfi1LOsFHgTepY7ewY=
+  dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.8.0"
+    babel-runtime "^6.26.0"
+
+babel-runtime@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.11.0"
+
+babylon@^6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
+  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
+
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -2485,6 +2574,11 @@ commander@~2.19.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
   integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
 
+common-tags@^1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
+  integrity sha512-6P6g0uetGpW/sdyUy/iQQCbFF0kWVMSIVSyYz7Zgjcgh8mgw8PQzDNZeyZ5DQ2gM7LBoZPHmnjz8rUthkBG5tw==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -2646,6 +2740,11 @@ core-js-compat@^3.6.2, core-js-compat@^3.6.5:
     browserslist "^4.8.5"
     semver "7.0.0"
 
+core-js@^2.4.0:
+  version "2.6.11"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
+  integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
+
 core-js@^3.6.4, core-js@^3.6.5:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.5.tgz#7395dc273af37fb2e50e9bd3d9fe841285231d1a"
@@ -3749,6 +3848,15 @@ from2@^2.1.0:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
+fs-extra@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
+  integrity sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
 fs-extra@^7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
@@ -3832,6 +3940,11 @@ get-caller-file@^2.0.1:
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
+get-own-enumerable-property-symbols@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz#b5fde77f22cbe35f390b4e089922c50bce6ef664"
+  integrity sha512-I0UBV/XOz1XkIJHEUDMZAbzCThU/H8DxmSfmdGcKPnVhu2VfFqr34jr9777IyaTYvxjedWhqVIilEDsCdP5G6g==
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -4658,6 +4771,11 @@ is-number@^7.0.0:
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
   integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
 
+is-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
+  integrity sha1-PkcprB9f3gJc19g6iW2rn09n2w8=
+
 is-obj@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-2.0.0.tgz#473fb05d973705e3fd9620545018ca8e22ef4982"
@@ -4706,6 +4824,11 @@ is-regex@^1.0.4, is-regex@^1.1.0:
   dependencies:
     has-symbols "^1.0.1"
 
+is-regexp@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
+  integrity sha1-/S2INUXEa6xaYz57mgnof6LLUGk=
+
 is-resolvable@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
@@ -5039,7 +5162,7 @@ lodash.memoize@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
-lodash.template@^4.5.0:
+lodash.template@^4.4.0, lodash.template@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.5.0.tgz#f976195cf3f347d0d5f52483569fe8031ccce8ab"
   integrity sha512-84vYFxIkmidUiFxidA/KjjH9pAycqW+h980j7Fuz5qxRtO9pgB7MDFTdys1N7A5mcucRiDyEq4fusljItR1T/A==
@@ -6413,6 +6536,11 @@ prettier@^1.18.2:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
   integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
+pretty-bytes@^5.1.0:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-5.4.1.tgz#cd89f79bbcef21e3d21eb0da68ffe93f803e884b"
+  integrity sha512-s1Iam6Gwz3JI5Hweaz4GoCD1WUNUIyzePFy5+Js2hjwGVt2Z79wNN+ZKOZ2vB6C+Xs6njyB84Z1IthQg8d9LxA==
+
 pretty-error@^2.0.2:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.1.tgz#5f4f87c8f91e5ae3f3ba87ab4cf5e03b1a17f1a3"
@@ -6691,6 +6819,11 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.1.tgz#cad92ad8e6b591773485fbe05a485caf4f457e6f"
   integrity sha512-j2+C8+NtXQgEKWk49MMP5P/u2GhnahTtVkRIHr5R5lVRlbKvmQ+oS+A5aLKWp2ma5VkT8sh6v+v4hbH0YHR66A==
 
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
 regenerator-runtime@^0.13.4:
   version "0.13.7"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz#cac2dacc8a1ea675feaabaeb8ae833898ae46f55"
@@ -6731,6 +6864,11 @@ regexpu-core@^4.7.0:
     unicode-match-property-ecmascript "^1.0.4"
     unicode-match-property-value-ecmascript "^1.2.0"
 
+register-service-worker@^1.7.0:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/register-service-worker/-/register-service-worker-1.7.1.tgz#6308347ac6c0af0f6c0b22ea5d59d25e836bc932"
+  integrity sha512-IdTfUZ4u8iJL8o1w8es8l6UMGPmkwHolUdT+UmM1UypC80IB4KbpuIlvwWVj8UDS7eJwkEYRcKRgfRX+oTmJsw==
+
 registry-auth-token@^4.0.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-4.2.0.tgz#1d37dffda72bbecd0f581e4715540213a65eb7da"
@@ -7523,6 +7661,15 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
+stringify-object@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/stringify-object/-/stringify-object-3.3.0.tgz#703065aefca19300d3ce88af4f5b3956d7556629"
+  integrity sha512-rHqiFh1elqCQ9WPLIC8I0Q/g/wj5J1eMkyoiD6eoQApWHP0FtlK7rqnhmabL5VUY9JQCcqwwvlOaSuutekgyrw==
+  dependencies:
+    get-own-enumerable-property-symbols "^3.0.0"
+    is-obj "^1.0.1"
+    is-regexp "^1.0.0"
+
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
@@ -7563,6 +7710,14 @@ strip-bom@^2.0.0:
   dependencies:
     is-utf8 "^0.2.0"
 
+strip-comments@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/strip-comments/-/strip-comments-1.0.2.tgz#82b9c45e7f05873bee53f37168af930aa368679d"
+  integrity sha512-kL97alc47hoyIQSV165tTt9rG5dn4w1dNnBhOQ3bOU1Nc1hel09jnXANaHJ7vzHLd4Ju8kseDGzlev96pghLFw==
+  dependencies:
+    babel-extract-comments "^1.0.0"
+    babel-plugin-transform-object-rest-spread "^6.26.0"
+
 strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
@@ -8455,6 +8610,132 @@ widest-line@^3.1.0:
   dependencies:
     string-width "^4.0.0"
 
+workbox-background-sync@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-background-sync/-/workbox-background-sync-4.3.1.tgz#26821b9bf16e9e37fd1d640289edddc08afd1950"
+  integrity sha512-1uFkvU8JXi7L7fCHVBEEnc3asPpiAL33kO495UMcD5+arew9IbKW2rV5lpzhoWcm/qhGB89YfO4PmB/0hQwPRg==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-broadcast-update@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-broadcast-update/-/workbox-broadcast-update-4.3.1.tgz#e2c0280b149e3a504983b757606ad041f332c35b"
+  integrity sha512-MTSfgzIljpKLTBPROo4IpKjESD86pPFlZwlvVG32Kb70hW+aob4Jxpblud8EhNb1/L5m43DUM4q7C+W6eQMMbA==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-build@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-build/-/workbox-build-4.3.1.tgz#414f70fb4d6de47f6538608b80ec52412d233e64"
+  integrity sha512-UHdwrN3FrDvicM3AqJS/J07X0KXj67R8Cg0waq1MKEOqzo89ap6zh6LmaLnRAjpB+bDIz+7OlPye9iii9KBnxw==
+  dependencies:
+    "@babel/runtime" "^7.3.4"
+    "@hapi/joi" "^15.0.0"
+    common-tags "^1.8.0"
+    fs-extra "^4.0.2"
+    glob "^7.1.3"
+    lodash.template "^4.4.0"
+    pretty-bytes "^5.1.0"
+    stringify-object "^3.3.0"
+    strip-comments "^1.0.2"
+    workbox-background-sync "^4.3.1"
+    workbox-broadcast-update "^4.3.1"
+    workbox-cacheable-response "^4.3.1"
+    workbox-core "^4.3.1"
+    workbox-expiration "^4.3.1"
+    workbox-google-analytics "^4.3.1"
+    workbox-navigation-preload "^4.3.1"
+    workbox-precaching "^4.3.1"
+    workbox-range-requests "^4.3.1"
+    workbox-routing "^4.3.1"
+    workbox-strategies "^4.3.1"
+    workbox-streams "^4.3.1"
+    workbox-sw "^4.3.1"
+    workbox-window "^4.3.1"
+
+workbox-cacheable-response@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-cacheable-response/-/workbox-cacheable-response-4.3.1.tgz#f53e079179c095a3f19e5313b284975c91428c91"
+  integrity sha512-Rp5qlzm6z8IOvnQNkCdO9qrDgDpoPNguovs0H8C+wswLuPgSzSp9p2afb5maUt9R1uTIwOXrVQMmPfPypv+npw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-core@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-4.3.1.tgz#005d2c6a06a171437afd6ca2904a5727ecd73be6"
+  integrity sha512-I3C9jlLmMKPxAC1t0ExCq+QoAMd0vAAHULEgRZ7kieCdUd919n53WC0AfvokHNwqRhGn+tIIj7vcb5duCjs2Kg==
+
+workbox-expiration@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-expiration/-/workbox-expiration-4.3.1.tgz#d790433562029e56837f341d7f553c4a78ebe921"
+  integrity sha512-vsJLhgQsQouv9m0rpbXubT5jw0jMQdjpkum0uT+d9tTwhXcEZks7qLfQ9dGSaufTD2eimxbUOJfWLbNQpIDMPw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-google-analytics@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-google-analytics/-/workbox-google-analytics-4.3.1.tgz#9eda0183b103890b5c256e6f4ea15a1f1548519a"
+  integrity sha512-xzCjAoKuOb55CBSwQrbyWBKqp35yg1vw9ohIlU2wTy06ZrYfJ8rKochb1MSGlnoBfXGWss3UPzxR5QL5guIFdg==
+  dependencies:
+    workbox-background-sync "^4.3.1"
+    workbox-core "^4.3.1"
+    workbox-routing "^4.3.1"
+    workbox-strategies "^4.3.1"
+
+workbox-navigation-preload@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-navigation-preload/-/workbox-navigation-preload-4.3.1.tgz#29c8e4db5843803b34cd96dc155f9ebd9afa453d"
+  integrity sha512-K076n3oFHYp16/C+F8CwrRqD25GitA6Rkd6+qAmLmMv1QHPI2jfDwYqrytOfKfYq42bYtW8Pr21ejZX7GvALOw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-precaching@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-precaching/-/workbox-precaching-4.3.1.tgz#9fc45ed122d94bbe1f0ea9584ff5940960771cba"
+  integrity sha512-piSg/2csPoIi/vPpp48t1q5JLYjMkmg5gsXBQkh/QYapCdVwwmKlU9mHdmy52KsDGIjVaqEUMFvEzn2LRaigqQ==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-range-requests@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-range-requests/-/workbox-range-requests-4.3.1.tgz#f8a470188922145cbf0c09a9a2d5e35645244e74"
+  integrity sha512-S+HhL9+iTFypJZ/yQSl/x2Bf5pWnbXdd3j57xnb0V60FW1LVn9LRZkPtneODklzYuFZv7qK6riZ5BNyc0R0jZA==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-routing@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-routing/-/workbox-routing-4.3.1.tgz#a675841af623e0bb0c67ce4ed8e724ac0bed0cda"
+  integrity sha512-FkbtrODA4Imsi0p7TW9u9MXuQ5P4pVs1sWHK4dJMMChVROsbEltuE79fBoIk/BCztvOJ7yUpErMKa4z3uQLX+g==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-strategies@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-4.3.1.tgz#d2be03c4ef214c115e1ab29c9c759c9fe3e9e646"
+  integrity sha512-F/+E57BmVG8dX6dCCopBlkDvvhg/zj6VDs0PigYwSN23L8hseSRwljrceU2WzTvk/+BSYICsWmRq5qHS2UYzhw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-streams@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-streams/-/workbox-streams-4.3.1.tgz#0b57da70e982572de09c8742dd0cb40a6b7c2cc3"
+  integrity sha512-4Kisis1f/y0ihf4l3u/+ndMkJkIT4/6UOacU3A4BwZSAC9pQ9vSvJpIi/WFGQRH/uPXvuVjF5c2RfIPQFSS2uA==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-sw@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-sw/-/workbox-sw-4.3.1.tgz#df69e395c479ef4d14499372bcd84c0f5e246164"
+  integrity sha512-0jXdusCL2uC5gM3yYFT6QMBzKfBr2XTk0g5TPAV4y8IZDyVNDyj1a8uSXy3/XrvkVTmQvLN4O5k3JawGReXr9w==
+
+workbox-window@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-window/-/workbox-window-4.3.1.tgz#ee6051bf10f06afa5483c9b8dfa0531994ede0f3"
+  integrity sha512-C5gWKh6I58w3GeSc0wp2Ne+rqVw8qwcmZnQGpjiek8A2wpbxSJb1FdCoQVO+jDJs35bFgo/WETgl1fqgsxN0Hg==
+  dependencies:
+    workbox-core "^4.3.1"
+
 worker-farm@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.7.0.tgz#26a94c5391bbca926152002f69b84a4bf772e5a8"