{
  "name": "casl",
  "short_name": "",
  "icons": [{
      "src": "/pwa/maskable_icon144.png",
      "sizes": "144x144",
      "type": "image/png",
      "purpose": "any maskable"
    },{
      "src": "/pwa/maskable_icon512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }],
  "start_url": "/",
  "display": "standalone",
  "background_color": "#FFFFFF",
  "theme_color": "#3f51b5"
}