Add Pipelines models in server (#182)

* Hide workspace and refresh token from schema

* Add pipe models and migrations

* Add seeds

* Update FE graphql schema

server/src/api/@generated/pipeline-association/pipeline-association.model.ts

@@ -0,0 +1,39 @@
+import { Field } from '@nestjs/graphql';
+import { ObjectType } from '@nestjs/graphql';
+import { ID } from '@nestjs/graphql';
+import { PipelineAssociableType } from '../pipeline/pipeline-associable-type.enum';
+import { Pipeline } from '../pipeline/pipeline.model';
+import { PipelineStage } from '../pipeline-stage/pipeline-stage.model';
+
+@ObjectType()
+export class PipelineAssociation {
+  @Field(() => ID, { nullable: false })
+  id!: string;
+
+  @Field(() => Date, { nullable: false })
+  createdAt!: Date;
+
+  @Field(() => Date, { nullable: false })
+  updatedAt!: Date;
+
+  @Field(() => Date, { nullable: true })
+  deletedAt!: Date | null;
+
+  @Field(() => String, { nullable: false })
+  pipelineId!: string;
+
+  @Field(() => String, { nullable: false })
+  pipelineStageId!: string;
+
+  @Field(() => PipelineAssociableType, { nullable: false })
+  associableType!: keyof typeof PipelineAssociableType;
+
+  @Field(() => String, { nullable: false })
+  associableId!: string;
+
+  @Field(() => Pipeline, { nullable: false })
+  pipeline?: Pipeline;
+
+  @Field(() => PipelineStage, { nullable: false })
+  pipelineStage?: PipelineStage;
+}