colouring-montreal/app/public/site.webmanifest

{
    "short_name": "Colouring London",
    "name": "Colouring London",
    "icons": [
        {
            "src": "icon-192x192.png",
            "type": "image/png",
            "sizes": "192x192"
        }
    ],
    "start_url": "/",
    "background_color": "#ffffff",
    "theme_color": "#ffffff"
}