Examine source code of VietEng_Word_Quest

{
  "manifest_version": 2,
  "name": "VietEng Word Quest",
  "version": "1.0",
  "description": "A fun and educational browser extension to practice Vietnamese-to-English vocabulary translation through interactive quizzes. Test and improve your English vocabulary skills with a variety of common Vietnamese words.",
  "icons": {
    "48": "vocab_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "VietEng Word Quest"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{76d9d378-9c15-46ce-8453-55a34686816b}"
    }
  }
}