{
  "name": "",
  "short_name": "",
  "icons": [
    {
      "src": "/android-chrome-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/android-chrome-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "theme_color": "#ffffff",
  "background_color": "#ffffff",
  "display":      "standalone", /* Could be "fullscreen", "standalone", "minimal-ui", or "browser" */
  "orientation":  "portrait", /* Could be "landscape" or "portrait" */
}