{
    "name": "4F System (Smart School)",
    "short_name": "4F System",
    "description": "ระบบบริหารจัดการกิจกรรมชุมนุมออนไลน์ 4F",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#f3f4f6",
    "theme_color": "#1e3a8a",
    "orientation": "portrait-primary",
    "icons": [
        {
            "src": "/logo.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/logo.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ]
}