{
    "background_color": "skyblue",
    "description": "BillBook.Online",
    "display_override": ["fullscreen", "minimal-ui"],
    "display": "standalone",
    "icons": [{
        "src": "favicon.ico",
        "sizes": "256x256",
        "type": "image/png"
    }],
    "name": "BillBook.Online",
    "short_name": "BillBook",
    "start_url": ".",
    "id":".",
    "protocol_handlers":[]
}