manifest.json

{
  "short_name": "Music Player",
  "name": "Simple Music Player (Web)",
  "icons": [
    {
      "src": "./icons/icon-512.png",
      "type": "image/png",
      "sizes": "512x512",
      "purpose": "any maskable"
    },
    {
      "src": "./icons/icon-256.png",
      "type": "image/png",
      "sizes": "256x256",
      "purpose": "any maskable"
    },
    {
      "src": "./icons/icon-128.png",
      "type": "image/png",
      "sizes": "128x128",
      "purpose": "any maskable"
    },
    {
      "src": "./icons/icon-96.png",
      "type": "image/png",
      "sizes": "96x96",
      "purpose": "any maskable"
    },
    {
      "src": "./icons/icon-72.png",
      "type": "image/png",
      "sizes": "72x72",
      "purpose": "any maskable"
    },
    {
      "src": "./icons/icon-64.png",
      "type": "image/png",
      "sizes": "64x64",
      "purpose": "any maskable"
    }
  ],
  "start_url": "./index.html",
  "background_color": "#3367D6",
  "display": "standalone",
  "scope": "./index.html",
  "theme_color": "#3367D6",
  "shortcuts": [],
  "description": "Simple Music Player (Web)",
  "screenshots": []
}