Create a Xarray-Spatial ML notebook

[brendancol]

New Jupyter Notebook in examples called xarray-spatial-basic-ml.ipynb

The general template for ML examples:

• Use an Xarray-Spatial Analysis Function

• Take outputs and use as features for an scikit-learn model.

• [ ] Example 1 Clustering: Proximity To Pharmacies KMeans

• [ ] Regression Example

• [ ] Clustering Example using proximity and KMeans.