Examine source code of Viet Connect Express

{
  "manifest_version": 2,
  "name": "Viet Connect Express",
  "version": "1.0",
  "description": "Master essential Vietnamese greetings and daily phrases. A quick, interactive way to learn conversational Vietnamese for travelers and beginners.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Viet Connect Express"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{841faa6c-3ba5-4e84-8bd6-5ab46d42554d}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}