Examine source code of Tabbi

{
  "manifest_version": 3,
  "name": "Tabbi",
  "version": "2.0",
  "description": "Overrides the new tab page with a custom interface and settings.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "New Tab"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://suggestqueries.google.com/*",
    "*://api.bing.com/*",
    "*://duckduckgo.com/*",
    "*://*.wikipedia.org/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tabbi@newtab.extension.mozilla",
      "strict_min_version": "109.0"
    }
  }
}