Pipeline local mode (#3587)

* Add notebook that transitions back to SageMaker managed pipeline after valid local mode pipeline.

* Added comments about how to locate CloudWatch logs for Training step output.

* Added optional lookup of SageMaker Execution Role for local laptop runs.

* Renamed new notebook to name of pre-existing local-mode notebook.

* Re-formatted code cells with black-nb; removed cell output.

* Changed SKLearnProcessor framework version back to 1.0-1

* reformat

Co-authored-by: atqy <[email protected]>
Co-authored-by: atqy <[email protected]>