MLPRegressor & MLPClassifier RSTs & SC example Code (#109)

* MLPClassifier SC example code

* MLPClassifier SC example code ⚠️

* MLPs SC example code and RSTs ⚠️

* ⚠️

* ⚠️

* wip

* MLP RSTs

* [FIX] this commit adds code to the SC templates to allow enums in the RST to appear in the species data

* feedback

* hidden -> hiddenLayers

Author: tedmoore