Improved readability in Airflow DAGs section #36

Job	Run time
Prepare for Docker builds	15s
Build and Push Ray amd64 Image	1m 58s
Build and Push Ray arm64 Image	3m 25s
Build and Push Images (web-ui, ./services/web-ui, ./services/web-ui/Dockerfile)	4m 15s
Build and Push Images (training-service, ./services/training-service, ./services/training-service...	9m 8s
Build and Push Images (data-producer, ./services/data-producer, ./services/data-producer/Dockerfile)	2m 32s
Build and Push Images (mlflow, ./services/mlflow, ./services/mlflow/Dockerfile)	6m 15s
Build and Push Images (airflow-spark, ./services/airflow, ./services/airflow/Dockerfile)	8m 18s
Build and Push Images (forecast-service, ./services/forecast-service, ./services/forecast-service...	6m 44s
	42m 50s

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