{
  "name": "Optino",
  "short_name": "Optino",
  "start_url": "/",
  "scope": "/",
  "display": "fullscreen",
  "orientation": "any",
  "background_color": "#000000",
  "theme_color": "#000000",
  "icons": [
    { "src": "/medien/app-symbol", "sizes": "180x180", "type": "image/png", "purpose": "any" }
  ]
}