Examine source code of VietnameseWordChallenge

{
  "manifest_version": 2,
  "name": "Vietnamese Word Challenge",
  "version": "1.0",
  "description": "A fun and educational browser extension that tests your Vietnamese-to-English vocabulary skills with interactive quizzes. Perfect for language learners to practice and expand their word knowledge.",
  "icons": {
    "48": "vocab_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Vietnamese Word Challenge"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{47d970fb-5fb3-4832-b906-acdb116ca4f4}"
    }
  }
}