build_webstatic/webstatic.example/assets/favicon/site.webmanifest

{
  "name": "Meine Website",
  "short_name": "Website",
  "icons": [
    { "src": "/assets/favicon/favicon.svg", "sizes": "any", "type": "image/svg+xml" }
  ],
  "start_url": "/",
  "display": "standalone"
}