Examine source code of Udeler Authenticator

{
  "name": "Udeler Authenticator",
  "version": "1.0",
  "description": "A helper extension for Udeler to easily authenticate a Udemy account.",
  "manifest_version": 2,
  "permissions": [
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "cookies",
    "*://*.udemy.com/"
  ],
  "background": {
    "scripts": [
      "assets/js/socket.io.js",
      "assets/js/background.js"
    ]
  }
}