old-manifest.json

{
    "id": "listen_up",
    "manifest_version": 3,
    "short_name": "ListenUp",
    "name": "ListenUp: Free Listening Therapy",
    "description": "A free auditory integration & brainwave entrainment tool!",
    "version": "1",
    "icons": [
      {
        "src": "icons/icon-96x96.png",
        "sizes": "96x96",
        "type": "image/png"
      },
      {
        "src": "icons/icon-128x128.png",
        "sizes": "128x128",
        "type": "image/png"
      },
      {
        "src": "icons/icon-152x152.png",
        "sizes": "152x152",
        "type": "image/png"
      },
      {
        "src": "icons/icon-192x192.png",
        "sizes": "192x192",
        "type": "image/png"
      },
      {
        "src": "icons/icon-512x512.png",
        "sizes": "512x512",
        "type": "image/png"
      }
    ],
    "start_url": "./index.html",
    "background_color": "#FFFFFF",
    "display": "standalone",
    "scope": "/",
    "theme_color": "#000000",
    "dir": "auto",
    "categories": []
  }