feat(widgets): add UniFi OS widget

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

packages/widgets/src/index.tsx

@@ -55,6 +55,7 @@ import * as timetable from "./timetable";
 import * as traefik from "./traefik";
 import * as tracearr from "./tracearr";
 import * as umami from "./umami";
+import * as unifiOs from "./unifi-os";
 import * as ups from "./ups";
 import * as vpn from "./vpn";
 import * as beszelSystemTable from "./beszel-system-table";
@@ -131,6 +132,7 @@ export const widgetImports = {
   traefik,
   customApi,
   wud,
+  unifiOs,
 } satisfies WidgetImportRecord;
 
 export type WidgetImports = typeof widgetImports;