manifest.json

{
  "name": "PWA Starter",
  "display": "standalone",
  "start_url": "/",
  "short_name": "starter",
  "theme_color": "#E1477E",
  "description": "This is a PWA Starter app",
  "orientation": "any",
  "background_color": "#E1477E",
  "related_applications": [],
  "prefer_related_applications": false,
  "icons": [
    {
      "src": "assets/icons/icon_512.png",
      "sizes": "512x512"
    },
    {
      "src": "assets/icons/icon_192.png",
      "sizes": "192x192"
    },
    {
      "src": "assets/icons/icon_48.png",
      "sizes": "48x48"
    },
    {
      "src": "assets/icons/icon_24.png",
      "sizes": "24x24"
    }
  ],
  "screenshots": [
    {
      "src": "assets/screenshots/screen.png"
    },
    {
      "src": "assets/screenshots/screen.png"
    },
    {
      "src": "assets/screenshots/screen.png"
    }
  ],
  "features": [
    "Cross Platform",
    "fast",
    "simple"
  ],
  "categories": [
    "utility"
  ]
}