Examine source code of Viet Action Verbs

{
  "manifest_version": 2,
  "name": "Viet Action Verbs",
  "version": "1.0",
  "description": "Master daily Vietnamese action verbs! A lightweight extension featuring quick, interactive translation flashcards with instant feedback to boost your conversational skills.",
  "icons": {
    "48": "verb_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Viet Action Verbs"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a9f5ca48-827e-4f6f-990d-863bedf51be6}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}