FolgerTech FT-5 Z Endstop

Work in progress, adjustable Z endstop for the FolgerTech FT-5

Added FT5_EndStopV2_AdjArm_Orig for those that were using the Thumbscrew version with a locked nut at the lower end to hold the screw while adjusting with the thumbscrew or to lock the screw in place after adjustment.

Replaced FT5_EndStopV2 with FT5_EndStopV2_AllParts (which includes the changes below)

Added FT5_EndStopV2_BaseB to replace the previous version. I had to file down part of the base at the endstop for the actua