Examine source code of Proverb Puzzle

{
  "manifest_version": 2,
  "name": "Proverb Puzzle",
  "version": "1.0",
  "description": "An engaging browser add-on to test your knowledge of Vietnamese proverbs by matching them to their English translations. Perfect for language learners and cultural enthusiasts!",
  "icons": {
    "48": "proverb_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Proverb Puzzle"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7917212a-5d7b-486d-92c7-4f7b904fe2f5}"
    }
  }
}