{
    "name": "",
    "short_name": "",
    "icons": [
        {
            "src": "/img/favicon/cat.jpg",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/img/favicon/cat.jpg",
            "sizes": "256x256",
            "type": "image/png"
        }
    ],
    "theme_color": "#ffffff",
    "background_color": "#ffffff"
}