add cicd4

.gitlab-ci.yml

-workflow:
-  rules:
-    - if: $RUN_HELLO_WORLD == "true"
-    - when: never
-
 variables:
   RUN_HELLO_WORLD:
     description: "Variable to trigger the hello-world pipeline"
@@ -15,3 +10,8 @@ include:
   - local: pipelines/hello-world.yml
     rules:
       - if: $RUN_HELLO_WORLD == "true"
+
+default_job:  # This job will always run
+  stage: .pre  # A special stage that always runs first
+  script:
+    - echo "No conditional jobs triggered."
\ No newline at end of file