refactor: organize backend by business responsibility

src/integrations/ncr/ncr.module.ts

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { NcrRatingsClient } from './ncr-ratings.client';
+
+@Module({
+  providers: [NcrRatingsClient],
+  exports: [NcrRatingsClient],
+})
+export class NcrModule {}