Examine source code of Bookmark Domain Updater

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "version": "1.2.2",
  "icons": {
    "16": "core/assets/icons/icon16.png",
    "48": "core/assets/icons/icon48.png",
    "128": "core/assets/icons/icon128.png"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "alarms",
    "scripting",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "webRequest",
    "webRequestBlocking",
    "notifications"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "bypass_iframe_blocks",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "core/assets/icons/icon16.png",
      "48": "core/assets/icons/icon48.png",
      "128": "core/assets/icons/icon128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "core/languages/*.json",
        "core/templates/main.html",
        "core/assets/css/*.css",
        "core/assets/js/**/*.js",
        "core/assets/icons/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark-domain-updater@bookmarkupdater.com",
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://localhost/*",
        "*://127.0.0.1/*",
        "*://bookmark-domain-updater.vercel.app/*",
        "*://bookmarkupdater.com/*",
        "*://*.bookmarkupdater.com/*"
      ],
      "js": [
        "core/assets/js/content-bridge.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "core/assets/js/sw-bypass.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ]
}