website/static/manifest.webmanifest

{
  "name": "Hermes Playground",
  "short_name": "Hermes Playground",
  "lang": "en",
  "start_url": "/playground/",
  "background_color": "#242526",
  "theme_color": "#242526",
  "display": "standalone",
  "icons": [
    {
      "src": "img/logo.svg",
      "sizes": "256x256",
      "type": "image/svg+xml"
    },
    {
      "src": "img/logo-48-48.png",
      "sizes": "48x48",
      "types": "image/png"
    },
    {
      "src": "img/logo-128-128.png",
      "sizes": "128x128",
      "types": "image/png"
    },
    {
      "src": "img/logo-512-512.png",
      "sizes": "512x512",
      "types": "image/png"
    }
  ]
}