{
    "start_url": "/",
    "display": "standalone",
    "orientation": "portrait",
    "name": "",
    "short_name": "",
    "description": "",
    "background_color": "#",
    "theme_color": "#",
    "icons": [
        {
            "src": "/assets/img/favicon.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/assets/img/favicon.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ]
}