add Ep receipt

src/Operations/operations.module.ts

@@ -4,10 +4,14 @@ import { Alumno } from 'src/alumno/entities/student.entity';
 import { DetalleServicio } from 'src/detalle_servicio/entities/detalle_servicio.entity';
 import { OperationsController } from './operations.controller';
 import { OperationsService } from './operations.services';
+import { DetalleServicioModule } from 'src/detalle_servicio/detalle_servicio.module';
+import { AlumnoModule } from 'src/alumno/student.module';
 
 @Module({
   imports: [
     TypeOrmModule.forFeature([Alumno, DetalleServicio]),
+    DetalleServicioModule,
+    AlumnoModule,
   ],
   controllers: [OperationsController],
   providers: [OperationsService],