update readme for new library
Revert "new sketches"

This reverts commit fb1cd540afe824ef48fce27b05817543a6e36066.

Conflicts:

	sketchbook/Dice/Dice.ino
Revert "add 28BYJ-48 Stepper Motor Library"

This reverts commit bed88bc8755a3515b30cacba325cb8c64dc32c18.
update README