Examine source code of Business Vietnamese Flash

{
  "manifest_version": 2,
  "name": "Business Vietnamese Flash",
  "version": "1.0",
  "description": "Quickly learn essential Vietnamese business vocabulary. Translate English terms to Vietnamese in daily pop-up flashcards. Ideal for professionals and students preparing for work or study in Vietnam.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Business Flash"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a63c556d-3318-4634-8fb0-6c414986b46d}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}