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