feat(pipelines): 添加流水线模块。

src/pipelines/pipeline.entity.ts

@@ -0,0 +1,22 @@
+import { Column, Entity, ManyToOne } from 'typeorm';
+import { AppBaseEntity } from '../commons/entities/app-base-entity';
+import { Project } from '../projects/project.entity';
+import { ObjectType } from '@nestjs/graphql';
+
+@ObjectType()
+@Entity()
+export class Pipeline extends AppBaseEntity {
+  @ManyToOne(() => Project)
+  project: Project;
+  @Column()
+  projectId: string;
+
+  @Column({ comment: 'eg: remotes/origin/master' })
+  branch: string;
+
+  @Column()
+  name: string;
+
+  @Column({ type: 'jsonb' })
+  workUnitMetadata: any;
+}