Sample manifest.json

manifest.json

{
  "name": "My Progressive Web Application",
  "short_name": "Progressive",
  "start_url": "/?home=true",
  "icons": [
    {
      "src": "/icons/icon36.png",
      "sizes": "36x36",
      "type": "image/png"
    },
    {
      "src": "/icons/icon48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "/icons/icon60.png",
      "sizes": "60x60",
      "type": "image/png"
    },
    {
      "src": "/icons/icon72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "/icons/icon76.png",
      "sizes": "76x76",
      "type": "image/png"
    },
    {
      "src": "/icons/icon96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "/icons/icon120.png",
      "sizes": "120x120",
      "type": "image/png"
    },
    {
      "src": "/icons/icon152.png",
      "sizes": "152x152",
      "type": "image/png"
    },
    {
      "src": "/icons/icon180.png",
      "sizes": "180x180",
      "type": "image/png"
    },
    {
      "src": "/icons/icon192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icons/icon512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "theme_color": "#000000",
  "background_color": "#FFFFFF",
  "display": "fullscreen",
  "orientation": "portrait"
}

Thanks,
What about splash_pages?
Could you please write a sample about it?

Awesome