feat: backend API NestJS + Prisma + JWT auth + todos los módulos

backend/src/professions/professions.service.ts

@@ -0,0 +1,11 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+
+@Injectable()
+export class ProfessionsService {
+  constructor(private prisma: PrismaService) {}
+
+  findAll() {
+    return this.prisma.professions.findMany({ orderBy: { name: 'asc' } });
+  }
+}