Delete workflow confirmation check in CLI - #114 (#137)

Add a confirmation check from CLI before deletion of workflow.

Closes - #114 

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Authors:
  - Snehlata (https://github.com/atalhens)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #137

Author: atalhens

src/aiq/cli/commands/workflow/workflow_commands.py

@@ -270,6 +270,9 @@ def delete_command(workflow_name: str):
         workflow_name (str): The name of the workflow to delete.
     """
     try:
+        if not click.confirm(f"Are you sure you want to delete the workflow '{workflow_name}'?"):
+            click.echo("Workflow deletion cancelled.")
+            return
         editable = get_repo_root() is not None
 
         workflow_dir = get_workflow_path_from_name(workflow_name)