Examine source code of Landmark Legends

{
  "manifest_version": 3,
  "name": "Landmark Legends",
  "version": "1.0",
  "description": "Test your knowledge of the world's most famous landmarks and their countries. Clean, educational, and fun popup quiz for curious minds!",
  "icons": {
    "48": "icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Landmark Legends"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7134313d-f61b-41cc-9fa1-285310f23644}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}