Examine source code of NotebookLM Web Importer

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "2.0.0",
  "icons": {
    "128": "icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "https://notebooklm.google.com/*"
  ],
  "action": {
    "default_title": "NotebookLM Web Importer",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "biswajeetpadhi100@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}