Examine source code of Global Landmarks Quest

{
  "manifest_version": 2,
  "name": "Global Landmarks Quest",
  "version": "1.0",
  "description": "Embark on a geographical journey! Test your knowledge with intriguing Vietnamese clues about famous world monuments and natural wonders. Challenge yourself to name them in English and expand your global vocabulary instantly via this sleek popup mini-game.",
  "icons": {
    "48": "landmark_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Global Landmarks Quest"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5aff000a-77e5-4e2a-bfdb-44328774fcf7}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}