Update .gitlab-ci.yml

.gitlab-ci.yml

+stages:
+ - stage1
+ - stage2
+ - stage3
+ 
+
 job1:
- stage: .pre
+ stage: stage1
  script:
  - echo 'my .pre job'
  
 job2:
- stage: build
+ stage: stage2
  script:
  - echo 'my build job'
  
 job3:
- stage: test
+ stage: stage3
  script:
  - echo 'my test job'
  
 job4:
- stage: test
+ stage: stage3
  script:
  - echo 'my test state job'
\ No newline at end of file