Icons

{
  "theme": {
    "icons": {
      "library": [
        "lucide", 
        {
          "name": "./icons/custom-icons.json", 
        },
        {
          "name": "https://example.com/icons.json" 
        }
      ]
    }
  }
}

You can use :icon{name="lucide:image" size=16} on markdown page.