{
    "name": "Letoris",
    "short_name": "Letoris",
    "start_url": "/login",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#ffffff",
    "icons": [
      {
        "src": "https://sv1.static.ganadev.com/letoris/logo-icon.png",
        "sizes": "192x192",
        "type": "image/png"
      }
    ]
  }