Added a readme to the WorldBank scripts (#229)
Added a readme to the WorldBank scripts (#229)

* Scripts to download WorldBank World Developmental Indicators

* WorldBank Countries

* PR Changes

* Added back other countries

* Styling

* Disable yapf

* Added a readme to the WorldBank scripts

Co-authored-by: jeffreyoldham <2ceb8d44e09695ed2d1f00a0949aed4bb6908af2@users.noreply.github.com>
datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data