Examine source code of Lingua Trek

{
  "manifest_version": 2,
  "name": "Lingua Trek",
  "version": "1.0",
  "description": "A fun quiz game to learn English translations of Vietnamese technology-related words, perfect for language enthusiasts and tech learners.",
  "icons": {
    "48": "trek_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Lingua Trek"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{342c46e0-b108-4a27-9ebc-e526149500c3}"
    }
  }
}