Add 'statebins' R Package

[johnmark_fisher]

"State bins" preserve as much of the geographic placement of the (US) states as possible but have the look and feel of a traditional heatmap. Please add this package, it's super nifty and useful. https://cran.r-project.org/web/packages/statebins/statebins.pdf https://gitlab.com/hrbrmstr/statebins