Examine source code of World Landmarks Explorer

{
  "manifest_version": 2,
  "name": "World Landmarks Explorer",
  "version": "1.0",
  "description": "Discover famous global landmarks, historic monuments, and world heritage sites through engaging interactive trivia challenges.",
  "icons": {
    "48": "world-landmarks-icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "World Landmarks Explorer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{31138104-cb23-4cfe-8c61-5b75bace7e3d}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}