{ "name": "Rad-Reader", "short_name": "Rad-Reader", "start_url": "/", "display": "standalone",
  "background_color": "#071f28", "theme_color": "#0c4f63",
  "icons": [ { "src": "/brand/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/brand/icon-512.png", "sizes": "512x512", "type": "image/png" } ] }