Examine source code of Crunchyroll+ Profiles

{
  "name": "CR+ Profiles",
  "description": "Allows you to have your own profiles for a personal experience on a shared account.",
  "version": "0.1.45",
  "default_locale": "en",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "src/background/index.js"
    ],
    "type": "module",
    "persistent": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ayykkk@outlook.com"
    }
  },
  "browser_action": {
    "default_icon": "src/ui/assets/icon.png",
    "default_popup": "src/ui/popup/index.html"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs",
    "scripting",
    "webRequest",
    "webRequestBlocking",
    "https://*.crunchyroll.com/*",
    "https://v.vrv.co/*"
  ]
}