wiki-js/client/static/manifest.json

{
  "name": "Wiki.js",
  "short_name": "Wiki.js",
  "start_url": "/",
  "icons": [
      {
          "src": "/_assets/favicons/android-chrome-192x192.png",
          "sizes": "192x192",
          "type": "image/png"
      },
      {
          "src": "/_assets/favicons/android-chrome-256x256.png",
          "sizes": "256x256",
          "type": "image/png"
      }
  ],
  "theme_color": "#1976d2",
  "background_color": "#1976d2",
  "display": "standalone"
}