Examine source code of Preposition Quest

{
  "manifest_version": 2,
  "name": "Preposition Quest",
  "version": "1.0",
  "description": "An interactive browser extension to practice translating Vietnamese prepositions into English, helping users master bilingual vocabulary through engaging quizzes.",
  "icons": {
    "48": "quest_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Preposition Quest"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{03aad158-58cb-4993-8e09-2279d8520f32}"
    }
  }
}