{ "name": "VoiceDelivery", "short_name": "VoiceDelivery", "start_url": "/dashboard",
  "display": "standalone", "background_color": "#ffffff", "theme_color": "#000000",
  "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png" },
            { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png" }] }