Examine source code of Daily Phrases

{
  "manifest_version": 2,
  "name": "Daily Phrases",
  "version": "1.0",
  "description": "An engaging browser extension to practice translating Vietnamese daily activity phrases into English, boosting bilingual vocabulary through interactive quizzes.",
  "icons": {
    "48": "phrases_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Daily Phrases"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{15ce4fef-2f6e-4b96-a05f-9b2cbe31b8af}"
    }
  }
}