Write brief note on model scoring and selection -

[TimCookCountyDS]

Stub- this should happen after finishing the updates of the model reports:
ccao-data/model-res-avm#465
ccao-data/model-condo-avm#148

And can be part of the model documentation process:
ccao-data/model-res-avm#470

This could be part of a larger intro to m.l./stats training