feat: convert to nextjs

app/api/consumer/route.ts

@@ -0,0 +1,28 @@
+import { NextResponse } from 'next/server';
+import { generate } from '@utils/consumer/store';
+import { rateLimiter } from '@utils/rateLimiter';
+
+export async function POST() {
+  const rateLimit = await rateLimiter();
+  if (rateLimit) {
+    return NextResponse.json(
+      { error: 'Rate limit exceeded.' },
+      { status: 429 }
+    );
+  }
+
+  try {
+    const data = await generate();
+
+    return NextResponse.json({
+      id: data.id,
+      consumer: data.consumer
+    });
+  } catch (error) {
+    console.error('Error generating consumer:', error);
+    return NextResponse.json(
+      { error: 'Failed to generate consumer' },
+      { status: 500 }
+    );
+  }
+}