Adding a New Example Notebook (#85)

* Adding New Example Notebook

I am adding a new example notebook that walks through creating models in SWAT and XGBOOST and then using SASCTL and PZMM to create the appropriate metadata before pushing everything into Model Manager. This notebook was designed for Viya 2020 environments.

* Adding data for example

* Adding notebook with requested changes

-Changed /Data to /data
-Swapped code in SWAT Model Manager function with suggested code

Author: SophiaRowland