{ "name": "Yapi", "short_name": "Yapi", "start_url": "/", "display": "standalone",
  "background_color": "#ffffff", "theme_color": "#0B1120",
  "icons": [{ "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" },
            { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png" }] }