Add probe offset for sensor holder

https://www.thingiverse.com/thing:2219963

In Marlin 2.x:
- *_PROBE_OFFSET_FROM_EXTRUDER was renamed to NOZZLE_TO_PROBE_OFFSET
- FRONT_PROBE_BED_POSITION was renamed to PROBING_MARGIN

Marlin/Configuration.h

@@ -1184,11 +1184,11 @@
  *     |    [-]    |
  *     O-- FRONT --+
  */
-#define NOZZLE_TO_PROBE_OFFSET { 0, 0, 0 }
+#define NOZZLE_TO_PROBE_OFFSET { 0, 70, 0 }
 
 // Most probes should stay away from the edges of the bed, but
 // with NOZZLE_AS_PROBE this can be negative for a wider probing area.
-#define PROBING_MARGIN 10
+#define PROBING_MARGIN 70
 
 // X and Y axis travel speed (mm/min) between probes
 #define XY_PROBE_FEEDRATE (100*60)