slowroads.io/manifest.json

{
    "short_name": "slowroads",
    "name": "Slow Roads",
    "icons": [
      {
        "src": "favicon_circle.svg",
        "sizes": "any"
      }
    ],
    "start_url": ".",
    "display": "standalone",
    "theme_color": "#000000",
    "background_color": "#ffffff"
  }