Examine source code of Vietnamese Verbs Master

{
  "manifest_version": 2,
  "name": "Vietnamese Verbs Master",
  "version": "1.0",
  "description": "Master essential Vietnamese verbs through interactive quizzes! Practice common action words, get instant feedback, and improve your Vietnamese vocabulary effectively.",
  "icons": {
    "48": "verb_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Vietnamese Verbs Master"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{04735d39-e36d-4881-b9a1-969675921bcb}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}