Examine source code of Bring Twitter Back

{
  "manifest_version": 2,
  "name": "Bring Twitter Back",
  "version": "2.3.6",
  "description": "Turns X back to Twitter.",
  "icons": {
    "48": "icons/icon.png",
    "96": "icons/icon@2x.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://*.x.com/*"
      ],
      "js": [
        "index.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "icons/favicon.ico",
    "icons/favicon-notification.ico",
    "icons/icon.png",
    "icons/icon@2x.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1af1a448-95f4-46c6-b093-078ea1023f81}",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ],
        "optional": []
      }
    }
  }
}