{
  "name": "POLOSYS CENTRALIZED LOYALTY",
  "short_name": "Centralized App",
  "description": "Centralized loyalty card",
  "theme_color": "#2196f3",
  "background_color": "#2196f3",
  "display": "fullscreen",
  "start_url": "/",
  "icons": [
    {
      "src": "Assets/images/maskable_icon.png",
      "sizes": "196x196",
      "type": "image/png",
      "purpose": "any maskable" // <-- New property value `"maskable"`
    }
  ]
}