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