manifest.json

{
    "theme_color": "#ffcd28",
    "background_color": "#ffcd28",
    "icons": [
        {
            "purpose": "maskable",
            "sizes": "512x512",
            "src": "icon512_maskable.png",
            "type": "image/png"
        },
        {
            "purpose": "any",
            "sizes": "512x512",
            "src": "icon512_rounded.png",
            "type": "image/png"
        }
    ],
    "orientation": "any",
    "display": "standalone",
    "dir": "auto",
    "lang": "en",
    "name": "Music album PWA",
    "short_name": "Music album PWA",
    "description": "A music album PWA demo.",
    "start_url": "./index.html",
    "id": "./index.html",
    "scope": "./",
    "screenshots": [
        {
            "src": "icon512_maskable.png",
            "sizes": "512x512",
            "type": "image/png"
        },
        {
            "src": "icon512_maskable.png",
            "sizes": "512x512",
            "type": "image/png",
            "form_factor": "wide"
        }
    ]
}