chore: add icons to documentation metadata for improved visual representation

surfsense_web/lib/source.ts

@@ -1,7 +1,13 @@
 import { loader } from "fumadocs-core/source";
 import { docs } from "@/.source/server";
+import { icons } from "lucide-react";
+import { createElement } from "react";
 
 export const source = loader({
 	baseUrl: "/docs",
 	source: docs.toFumadocsSource(),
+	icon(icon) {
+		if (icon && icon in icons)
+			return createElement(icons[icon as keyof typeof icons]);
+	},
 });