Examine source code of Twitter Real Verified

{
  "name": "__MSG_app_title__",
  "version": "2.1.9",
  "description": "__MSG_app_description__",
  "author": "@luiserdef",
  "default_locale": "en",
  "manifest_version": 2,
  "permissions": [
    "tabs"
  ],
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "contentScript.js"
      ],
      "matches": [
        "https://twitter.com/*",
        "https://tweetdeck.twitter.com/*",
        "https://x.com/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "verifiedUserList1.js",
    "verifiedUserList2.js",
    "script.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1a2af4ed-db21-40ca-acd5-e6434d8cbd83}"
    }
  }
}