Add Oudelaa dashboard API integration

oudelaa_dashboard/lib/api/health.ts

@@ -0,0 +1,6 @@
+import { apiEndpoints } from "@/lib/api/endpoints";
+import { fetchWithAuth } from "@/lib/auth/client";
+
+export async function getHealth() {
+  return fetchWithAuth<string | Record<string, unknown>>(apiEndpoints.health);
+}