chore: complete the the invoice module - not tested

src/modules/invoices/repositories/invoice-items.repository.ts

@@ -0,0 +1,12 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+
+import { InvoiceItem } from "../entities/invoice-item.entity";
+
+@Injectable()
+export class InvoiceItemsRepository extends Repository<InvoiceItem> {
+  constructor(@InjectRepository(InvoiceItem) invoiceItemsRepository: Repository<InvoiceItem>) {
+    super(invoiceItemsRepository.target, invoiceItemsRepository.manager, invoiceItemsRepository.queryRunner);
+  }
+}