{
  "background_color": "white",
  "description": "My LET Drill Collection",
  "display": "fullscreen",
  "icons": [
    {
      "src": "icon/sfr.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "name": "My LET Drill Collection",
  "short_name": "LET Drill",
  "start_url": "/"
}