Examine source code of Everyday Library Vocab

{
  "manifest_version": 3,
  "name": "Everyday Library Vocab",
  "version": "1.0.0",
  "description": "Learn and practice English vocabulary for everyday library items, reading essentials, and books.",
  "icons": {
    "48": "library_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Library Vocab"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{42936afe-5f57-4e2b-b7a7-c61708cc7037}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}