{
  "short_name": "QR-reader",
  "name": "QR-reader",
  "display": "fullscreen",
  "theme_color": "#ECEFF1",
  "background_color": "#ECEFF1",
  "orientation": "portrait",
  "start_url": "/reader/",
  "icons": [{
    "src": "/reader/qr-code.gif",
    "sizes": "192x192",
    "type": "image/png"
  }]
}