manifest.json

{
  "name": "micro-panel",
  "short_name": "μ-panel",
  "display": "browser",
  "orientation": "portrait-primary",
  "theme_color": "#00897b",
  "icons": [
      {
          "src": "icons/big-icon.png",
          "sizes": "512x512",
          "type": "image/png"
      }
  ]
}