installed typeorm and added initial merchant resource

src/merchants/merchants.service.ts

@@ -0,0 +1,26 @@
+import { Injectable } from '@nestjs/common';
+import { CreateMerchantDto } from './dto/create-merchant.dto';
+import { UpdateMerchantDto } from './dto/update-merchant.dto';
+
+@Injectable()
+export class MerchantsService {
+  create(createMerchantDto: CreateMerchantDto) {
+    return 'This action adds a new merchant';
+  }
+
+  findAll() {
+    return `This action returns all merchants`;
+  }
+
+  findOne(id: number) {
+    return `This action returns a #${id} merchant`;
+  }
+
+  update(id: number, updateMerchantDto: UpdateMerchantDto) {
+    return `This action updates a #${id} merchant`;
+  }
+
+  remove(id: number) {
+    return `This action removes a #${id} merchant`;
+  }
+}