feat: split cron into import and mailing jobs

utils/apiResponse.ts

@@ -1,5 +1,7 @@
+import { NextResponse } from 'next/server';
+
 export function ApiResponse(status: number, message: string) {
-  const response = new Response(message, { status });
+  const response = new NextResponse(message, { status });
   response.headers.set('Access-Control-Allow-Origin', process.env.HOME_URL!);
 
   return response;