{
  "name": "Ledger",
  "short_name": "Ledger",
  "start_url": "/index.html",
  "display": "standalone",
  "background_color": "#F5F4F0",
  "theme_color": "#F5F4F0",
  "icons": [
    {
      "src": "https://www.gstatic.com/firebasejs/ui/2.0.0/images/auth/google.svg",
      "sizes": "192x192",
      "type": "image/png"
    }
  ]
}