chore: add eslint

Author: thdk

.eslintignore

@@ -0,0 +1,2 @@
+node_modules
+dist

.eslintrc.js

@@ -0,0 +1,19 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: [
+    '@typescript-eslint',
+  ],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:import/errors'
+  ],
+  settings: {
+    "import/resolver": {
+      node: {
+        extensions: [".ts"],
+      },
+    },
+  },
+};