Examine source code of Viet Verb Master

{
  "manifest_version": 2,
  "name": "Viet Verb Master",
  "version": "1.0",
  "description": "A fun popup quiz extension to help learners practice translating common Vietnamese verbs into English.",
  "icons": {
    "48": "verb_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Viet Verb Master"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{75aac840-1297-4aa7-adb5-ce932d28f0b4}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}