Examine source code of StreamLens

{
  "name": "StreamLens",
  "version": "1.3.2",
  "description": "__MSG_extDescription__",
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://streamlens.app/auth/"
      ],
      "js": [
        "vendor/browser-polyfill.min.js",
        "auth.js"
      ],
      "all_frames": true
    }
  ],
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "manifest_version": 2
}