Show 4 axis in main menu

• Show 4 axis in main menu
• Show Z axis in move with 2 decimals

Full Changelog: v1.0...v1.1

Known issues:

• Z axis gets cut when it is >=100

Initial release

First release, with ability to move and home all 4 axis.

Full Changelog: https://github.com/EmmanuelMess/CoreRThetaMenuSystem/commits/v1.0