Xol Belt Support for Voron Switchwire

The new belt lock attaches to the toolhead using M3 x 25 screws.   It also uses M3 x 8 (or M3x10) screws to clamp the belts in place.   You will need M3x5x4 heatset inserts (Voron spec) for the belt clamping points.  

I've also included a modified Beacon probe mount, as well as a new mount for a BD Sensor probe.  Enjoy!

Removed the belt attachments from the original model and added a new part that allows belt attachment underneath the X extrusion for a Switchwire.