chore: normalize the payment and payment transaction

src/modules/payments/repositories/payment-gateway.repository.ts

@@ -0,0 +1,12 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+
+import { PaymentGateway } from "../entities/payment-gateway.entity";
+
+@Injectable()
+export class PaymentGatewaysRepository extends Repository<PaymentGateway> {
+  constructor(@InjectRepository(PaymentGateway) paymentGatewaysRepository: Repository<PaymentGateway>) {
+    super(paymentGatewaysRepository.target, paymentGatewaysRepository.manager, paymentGatewaysRepository.queryRunner);
+  }
+}