feat(pipelines): add commits query api.

src/repos/dtos/log-list.model.ts

@@ -2,6 +2,17 @@ import { ObjectType, Field } from '@nestjs/graphql';
 import { LogResult, DefaultLogFields } from 'simple-git';
 import { PipelineTask } from '../../pipeline-tasks/pipeline-task.entity';
 
+@ObjectType()
+export class Commit {
+  hash: string;
+  date: Date;
+  message: string;
+  refs: string;
+  body: string;
+  author_name: string;
+  author_email: string;
+  tasks: PipelineTask[];
+}
 @ObjectType()
 export class LogFields {
   hash: string;