Examine source code of Transport Vocab

{
  "manifest_version": 3,
  "name": "Transport Vocab",
  "version": "1.0.0",
  "description": "Learn and practice English vocabulary for everyday transportation, commuting, and travel.",
  "icons": {
    "48": "transport_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Transport Vocab"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{04b97d1e-13be-4151-a616-ab94bc637c0a}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}