Build a production ready PWA with Angular and Firebase - manifest.json

manifest.json

{
  "name": "ITNEXT Summit 2018",
  "short_name": "ITNEXT",
  "description": "Be the best explorer in next-gen technologies. Experience use-cases, howtos and best-practices with latest frontend and backend technologies, network and security, engineering and low-code development with OutSystems.",
  "theme_color": "#ffffff",
  "background_color": "#ffffff",
  "display": "standalone",
  "orientation": "portrait",
  "scope": "/",
  "start_url": "/?utm_source=itnext_pwa_a2hs",
  "icons": [
    {
      "src": "assets/icons/icon-72x72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-128x128.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-152x152.png",
      "sizes": "152x152",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-384x384.png",
      "sizes": "384x384",
      "type": "image/png"
    },
    {
      "src": "assets/icons/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "gcm_sender_id": "103953800507"
}