Examine source code of VN Travel Explorer

{
  "manifest_version": 2,
  "name": "VN Travel Explorer",
  "version": "1.0",
  "description": "Explore famous Vietnamese landmarks! A fun, interactive quiz to master the names of iconic cities, natural wonders, and cultural sites across Vietnam.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "VN Travel Explorer"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{caf68922-e136-4116-b10b-aabc4d07b5e8}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}