Add NUC Portal - infrastructure dashboard

Next.js 16 dashboard for managing NUC services via Coolify API.
Features service cards with health indicators, deployment dashboard
with live log streaming, S3-backed preview images, SSE real-time
updates, and dark mode support. 18 services across 7 categories.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

nuc-portal/next.config.ts

@@ -0,0 +1,7 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  /* config options here */
+};
+
+export default nextConfig;