Auto Level Probe Mount - FLSun Cube 3D

Redesign of Auto-Bed-Levelling Mount: FLSun Cube 3D- Tolerated for 0.4 Nozzle

There is an updated version, including the fan mount, available here: https://www.thingiverse.com/thing:2749502

Added Rev.1: Support for v5 and v6 hotends