Wade Extruder Body Sensor mod for 1.75mm filament with support

This is a mod of the Wade extruder from the Prusa i3 rework kit to mount an inductive sensor (LJ12A3-4-Z/BX).
The sensor is mounted is centered on the X axis with the hotend and is in the back on Y axis.

// these are the offsets to the prob relative to the extruder tip (Hotend - Probe)
#define X_PROBE_OFFSET_FROM_EXTRUDER 0
#define Y_PROBE_OFFSET_FROM_EXTRUDER 25
#define Z_PROBE_OFFSET_FROM_EXTRUDER 0