feat: Intégration du backend NestJS depuis YNOV

- Framework: NestJS avec TypeORM
- Authentification: JWT (access + refresh tokens)
- Gestion utilisateurs: CRUD complet avec validation
- Routes: auth, users, parents, assistantes maternelles
- Dockerfile pour conteneurisation

backend/src/routes/user/user.module.ts

@@ -0,0 +1,28 @@
+import { forwardRef, Module } from '@nestjs/common';
+import { UserController } from './user.controller';
+import { UserService } from './user.service';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Users } from 'src/entities/users.entity';
+import { AuthModule } from '../auth/auth.module';
+import { Validation } from 'src/entities/validations.entity';
+import { ParentsModule } from '../parents/parents.module';
+import { AssistanteMaternelle } from 'src/entities/assistantes_maternelles.entity';
+import { AssistantesMaternellesModule } from '../assistantes_maternelles/assistantes_maternelles.module';
+import { Parents } from 'src/entities/parents.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature(
+    [
+      Users,
+      Validation,
+      Parents,
+      AssistanteMaternelle,
+    ]), forwardRef(() => AuthModule),
+    ParentsModule,
+    AssistantesMaternellesModule,
+  ],
+  controllers: [UserController],
+  providers: [UserService],
+  exports: [UserService],
+})
+export class UserModule { }