{
    "start_url": "/",
    "name": "Restauracja DEMO",
    "display":      "standalone",
    "orientation":  "landscape",
    "theme_color": "#000000",
    "background_color": "#ffffff",
    "icons": [
    {
      "src": "",
      "sizes": "192x192",
      "type": "image/png"
    }
    ]
}