Update user routing, added user authorization with JWT cookie management

app/api/users/route.ts

@@ -15,7 +15,12 @@ export async function GET() {
 }
 
 export async function POST(request: Request) {
-  const response = await fetch(`${BACKEND_URL}/users`, request);
+  const response = await fetch(`${BACKEND_URL}/users`, {
+    method: "POST",
+    headers: request.headers,
+    body: request.body,
+    duplex: "half",
+  });
 
   const data = await response.json();