Examine source code of Viet Idiom Explorer

{
  "manifest_version": 2,
  "name": "Viet Idiom Explorer",
  "version": "1.0",
  "description": "A fun and educational quiz to test your knowledge of Vietnamese idioms by matching them to their English meanings. Perfect for language learners and culture enthusiasts!",
  "icons": {
    "48": "idiom_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Viet Idiom Explorer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{31264639-7408-461e-a630-ca22a518ec52}"
    }
  }
}