nextcloud/core/img/manifest.json

{
	"name": "Nextcloud",
	"start_url": "../../",
	"icons": [{
		"src": "favicon-touch.png",
		"type": "image/png",
		"sizes": "128x128"
	}, {
		"src": "favicon-mask.svg",
		"type": "image/svg+xml",
		"sizes": "16x16"
	}],
    "display": "standalone"
}