Examine source code of Islamic Clock New Tab

{
  "manifest_version": 3,
  "name": "Islamic Clock New Tab",
  "version": "1.0.6",
  "description": "Replaces the new tab page with a beautiful, premium Islamic Clock.",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "favicon.png",
    "48": "pwa-192x192.png",
    "128": "pwa-512x512.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "islamic-clock@itsmeodx.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": []
}