first commit

src/app/api/products/route.ts

@@ -0,0 +1,7 @@
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  const res = await fetch('http://localhost:8080/api/products'); // <-- your Spring backend endpoint
+  const data = await res.json();
+  return NextResponse.json(data);
+}