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