Examine source code of Space Explorer Quiz

{
  "manifest_version": 2,
  "name": "Space Explorer Quiz",
  "version": "1.0",
  "description": "Space exploration and astronomy quiz from Vietnamese clues.",
  "icons": {
    "48": "space_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Space Explorer Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd7a5470-3b84-4ff1-9da5-cf53095ec28f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}