{
  "name": "{sitename}",
  "short_name": "{sitename}",
  "description": "{sitedesc}",
  "start_url": "./?utm_source=pwa",
  "display": "standalone",
  "display_override": ["window-controls-overlay", "standalone"],
  "orientation": "portrait",
  "background_color": "#ffffff",
  "theme_color": "#2196f3",
  "categories": ["social", "entertainment", "news"],
  "screenshots": [],
  "icons": [
    {
      "src": "ui/ico72.png",
      "sizes": "72x72",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "ui/ico144.png",
      "sizes": "144x144",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "ui/ico.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "ui/ico.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}