reddit-slideshow/public/manifest.json

{
  "name": "Reddit Slideshow",
  "short_name": "Reddit Slideshow",
  "icons": [
    {
        "src": "/android-chrome-192x192.png",
        "sizes": "192x192",
        "type": "image/png"
    },
    {
        "src": "/android-chrome-256x256.png",
        "sizes": "256x256",
        "type": "image/png"
    },
    {
      "src": "favicon.ico",
      "sizes": "32x32 24x24 16x16",
      "type": "image/x-icon"
    }
  ],
  "start_url": ".",
  "display": "fullscreen",
  "theme_color": "#000000",
  "background_color": "#000000"
}