{
  "short_name": "Calendar",
  "name": "Calendar",
  "icons": [
     {
        "src": "favicon.ico",
        "sizes": "64x64 32x32 24x24 16x16",
        "type": "image/x-icon"
     }
  ],
  "start_url": ".",
  "display": "standalone",
  "theme_color": "#000000",
  "background_color": "#ffffff"
}