manifest.json

{
  "name": "PETS",
  "short_name": "PETS",
  "background_color": "#A7FFDB",
  "display": "standalone",
  "orientation": "portrait",
  "scope": "/",
  "start_url": "index.html",
  "icons": [
    {
      "src": "public/assets/icons/favicon-16x16.png",
      "sizes": "16x16",
      "type": "image/png"
          },
    {
      "src": "public/assets/icons/favicon-32x32.png",
      "sizes": "32x32",
      "type": "image/png"
          },
    {
      "src": "public/assets/icons/favicon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
          },
    {
      "src": "public/assets/icons/android-icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png"
          },
    {
      "src": "public/assets/icons/apple-icon-152x152.png",
      "sizes": "152x152",
      "type": "image/png"
          },
    {
      "src": "public/assets/icons/android-icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
          }
      ]
}