Task #8578: Added support for pipelines to the estimator

...tEstimator/resource_estimators/base_resource_estimator.py

...mentEstimator/resource_estimators/calibration_pipeline.py

...AssignmentEstimator/resource_estimators/image_pipeline.py

...entEstimator/resource_estimators/longbaseline_pipeline.py

...rceAssignmentEstimator/resource_estimators/observation.py

...ssignmentEstimator/resource_estimators/pulsar_pipeline.py

...ResourceAssignment/ResourceAssignmentEstimator/service.py