feat(pipelines): 添加流水线模块。

src/app.module.ts

@@ -7,6 +7,7 @@ import { AppResolver } from './app.resolver';
 import { AppService } from './app.service';
 import { ProjectsModule } from './projects/projects.module';
 import { ReposModule } from './repos/repos.module';
+import { PipelinesModule } from './pipelines/pipelines.module';
 import configuration from './commons/config/configuration';
 
 @Module({
@@ -39,6 +40,7 @@ import configuration from './commons/config/configuration';
     }),
     ProjectsModule,
     ReposModule,
+    PipelinesModule,
   ],
   controllers: [AppController],
   providers: [AppService, AppResolver],