fix: redirigir emails a jpbeldomenico@gmail.com para testing con sandbox Resend

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

src/app/api/cliente/registro/route.ts

@@ -19,7 +19,7 @@ export async function POST(req: NextRequest) {
 
   await resend.emails.send({
     from: "Taller <onboarding@resend.dev>",
-    to: cliente.email,
+    to: "jpbeldomenico@gmail.com",
     subject: "¡Bienvenido al taller!",
     html: `
       <h2>¡Hola ${nombre}!</h2>