{
  "icons": [
    { "src": "./touch-icon-170x170.png", "type": "image/png", "sizes": "170x170" },
    { "src": "./touch-icon-320x320.png", "type": "image/png", "sizes": "320x320" },
    { "src": "./touch-icon-400x400.png", "type": "image/png", "sizes": "400x400" },
    { "src": "./touch-icon-800x800.png", "type": "image/png", "sizes": "800x800" }
  ]
}