introduce the database and controller connections for all inbounds

src/inbound/inbound.controller.spec.ts

@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { InboundController } from './inbound.controller';
+
+describe('InboundController', () => {
+  let controller: InboundController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [InboundController],
+    }).compile();
+
+    controller = module.get<InboundController>(InboundController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+});