{
  "short_name": "React App",  "name": "Create React App Sample",  "icons": [
    {
      "src": "favicon.ico",      "sizes": "64x64 32x32 24x24 16x16",      "type": "image/x-icon"
    }
  ],
  "start_url": ".",  "display": "standalone",  "theme_color": "#000000",  "background_color": "#ffffff"
}