{ "name": "Meine Handschrift", "short_name": "Schrift", "start_url": "/", "display": "standalone",
  "background_color": "#f6f5f2", "theme_color": "#f6f5f2",
  "icons": [ { "src": "icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "icon-512.png", "sizes": "512x512", "type": "image/png" } ] }