manifest.json

{
  "short_name": "Notes",
  "name": "My Notes",
  "description": "Write and organize your ideas with this simple app",
  "icons": [
    {
      "src": "dist/img/icon-48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "dist/img/icon-96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "dist/img/icon-144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "dist/img/icon-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "dist/img/icon-256.png",
      "sizes": "256x256",
      "type": "image/png"
    },
    {
      "src": "dist/img/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "start_url": "./",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#00796B",
  "background_color": "#fafafa"
}