{
    "name": "",
    "icons": [
        {
          "src": "/picto-192x192.png",
          "sizes": "192x192",
          "type": "image/png"
        },
        {
          "src": "/picto-512x512.png",
          "sizes": "512x512",
          "type": "image/png"
        }
    ],
    "theme_color": "#ffffff",
    "background_color": "#ffffff",
    "display": "standalone"
}