manifest.json

{
  "name": "interiordelight",
  "start_url": "https://interiordelight.github.io",
  "display": "standalone",
  "icons": [
    {
      "src": "https://interiordelight.github.io/static/icons/icon-36x36.png",
      "sizes": "36x36",
      "type": "image/png",
      "density": 0.75
    },
    {
      "src": "https://interiordelight.github.io/static/icons/icon-48x48.png",
      "sizes": "48x48",
      "type": "image/png",
      "density": 1
    },
    {
      "src": "https://interiordelight.github.io/static/icons/icon-72x72.png",
      "sizes": "72x72",
      "type": "image/png",
      "density": 1.5
    },
    {
      "src": "https://interiordelight.github.io/static/icons/icon-96x96.png",
      "sizes": "96x96",
      "type": "image/png",
      "density": 2
    },
    {
      "src": "https://interiordelight.github.io/static/icons/icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png",
      "density": 3
    }
  ]
}