{
  "id": "./", "name": "Whiteboard", "short_name": "Whiteboard",
  "start_url": "./", "scope": "./", "display": "standalone",
  "background_color": "#f7f8fa", "theme_color": "#3082f6",
  "icons": [
    { "src": "icons/192x192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icons/512x512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" }
  ]
}