3x-ui/frontend/public/manifest.webmanifest

{
  "name": "3x-ui",
  "short_name": "3x-ui",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "background_color": "#0f172a",
  "theme_color": "#1677ff",
  "icons": [
    {
      "src": "icons/3x-ui-16.png",
      "sizes": "16x16",
      "type": "image/png"
    },
    {
      "src": "icons/3x-ui-24.png",
      "sizes": "24x24",
      "type": "image/png"
    },
    {
      "src": "icons/3x-ui-32.png",
      "sizes": "32x32",
      "type": "image/png"
    },
    {
      "src": "icons/3x-ui-64.png",
      "sizes": "64x64",
      "type": "image/png"
    },
    {
      "src": "icons/3x-ui-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "icons/3x-ui-512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}