{
  "name": "Calendar",
  "short_name": "Calendar",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#fff",
  "description": "Calendar for any purposes",
  "icons": [{
    "src": "icon-32.png",
    "sizes": "32x32",
    "type": "image/png"
  }, {
    "src": "icon-48.png",
    "sizes": "48x48",
    "type": "image/png"
  }, {
    "src": "icon-96.png",
    "sizes": "96x96",
    "type": "image/png"
  }, {
    "src": "icon-256.png",
    "sizes": "256x256",
    "type": "image/png"
  }, {
    "src": "icon-640.png",
    "sizes": "640x640",
    "type": "image/png"
  }],
  "related_applications": [{
    "platform": "web"
  }]
}