{ "name": "KATS WhatsApp", "short_name": "KATS WA", "start_url": "./", "scope": "./", "display": "standalone",
  "background_color": "#F0F2F5", "theme_color": "#075E54",
  "icons": [ { "src": "assets/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "assets/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" } ] }