{
  "name": "Field Manager",
  "display": "standalone",
  "start_url": "/",
  "icons": [
    { "src": "icon_192x192.png", "type": "image/png", "sizes": "192x192" },
    { "src": "icon_512x512.png", "type": "image/png", "sizes": "512x512" }
  ],
  "theme_color": "#ffffff",
  "background_color": "#000000"
}