Update .gitlab-ci.yml

.gitlab-ci.yml

-image: alpine
+build-job:
+  stage: build
+  script:
+    - echo "Hello, $GITLAB_USER_LOGIN!"
+
+test-job1:
+  stage: test
+  script:
+    - echo "This job tests something"
 
-pages:
-  script:
-  - apk update && apk add doxygen graphviz ttf-freefont
-  - doxygen docs/doxygen.conf
-  - mv docs/html/ public/
-  artifacts:
-    paths:
-    - public
-  only:
-  - master
\ No newline at end of file
+test-job2:
+  stage: test
+  script:
+    - echo "This job tests something, but takes more time than test-job1."
+    - echo "After the echo commands complete, it runs the sleep command for 20 seconds"
+    - echo "which simulates a test that runs 20 seconds longer than test-job1"
+    - sleep 20
+
+deploy-prod:
+  stage: deploy
+  script:
+    - echo "This job deploys something from the $CI_COMMIT_BRANCH branch."
\ No newline at end of file