Examine source code of Phrase Finder

{
  "manifest_version": 2,
  "name": "Phrase Finder",
  "version": "1.0",
  "description": "A captivating browser extension designed to enhance your English-Vietnamese vocabulary by quizzing you on idiomatic expressions. Test your knowledge by translating common English idioms into their Vietnamese equivalents and improve your language skills in an engaging way.",
  "icons": {
    "48": "phrase_finder_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Phrase Finder"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fb148fb6-6cdd-4828-9c36-3e739900b21b}"
    }
  }
}