Examine source code of NEy2 Minimal Startpage

{
  "name": "Minimal Startpage",
  "description": "A clean and lightweight startpage for your browser — simple, fast, and customizable for a distraction-free browsing experience",
  "version": "1.3",
  "manifest_version": 2,
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "128": "bookmark.png"
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d07029cc-3c3c-4426-9d5a-dc7aea50f194}"
    }
  }
}