Examine source code of Vietnames Action Master

{
  "manifest_version": 2,
  "name": "Vietnames Action Master",
  "version": "1.0",
  "description": "Master essential Vietnamese action verbs through an interactive quiz. This lightweight tool helps beginners reinforce their vocabulary with quick, engaging daily practice sessions.",
  "icons": {
    "48": "vocab_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Vietnamese Action Quiz"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2535d04f-7bf4-4225-a375-7264641691eb}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}