Added display NHD-C0220BiZ
This is a 20x2 display from newhavendisplay. Datasheet available at: http://www.newhavendisplay.com/specs/NHD-C0220BiZ-FSW-FBW-3V3M.pdf
I will create a separate pull request for the footprint
This is a 20x2 display from newhavendisplay. Datasheet available at: http://www.newhavendisplay.com/specs/NHD-C0220BiZ-FSW-FBW-3V3M.pdf
I will create a separate pull request for the footprint