Restructure backend into modular API layers with admin/organizador/invitados routes, add role-based middleware, flatten module models, and update build scripts

packages/server/src/api/auth/dto/register.dto.ts

@@ -0,0 +1,9 @@
+import { z } from "zod";
+
+export const registerSchema = z.object({
+  email: z.string().email(),
+  password: z.string().min(6),
+  name: z.string().optional(),
+});
+
+export type RegisterDto = z.infer<typeof registerSchema>;