fix: add events dev dep (#256)

Adds events module polyfill to modules that need it.

Author: achingbrain

examples/browser-readablestream/package.json

@@ -21,6 +21,7 @@
   "devDependencies": {
     "@babel/core": "^7.14.8",
     "@playwright/test": "^1.12.3",
+    "events": "^3.3.0",
     "parcel": "^2.3.2",
     "playwright": "^1.12.3",
     "process": "^0.11.10",

examples/circuit-relaying/package.json

@@ -25,6 +25,7 @@
   "devDependencies": {
     "@babel/core": "^7.14.8",
     "@playwright/test": "^1.12.3",
+    "events": "^3.3.0",
     "fs-extra": "^10.0.0",
     "ipfs-http-client": "^56.0.0",
     "parcel": "^2.3.2",