docs: Docs comma culture (#4822)

Many non-English speaking countries use a comma as a decimal separator for printed numbers. This can create some confusion in documentation and config files when not surrounded by contextual clues like parenthesis.  Improve documentation by adding spaces to coordinates.

Signed-off-by: Paul McGowan <mental450@gmail.com>

config/printer-lulzbot-taz6-dual-v3-2017.cfg

@@ -185,10 +185,10 @@ samples_tolerance: 0.100
 [bed_tilt]
 #Enable bed tilt measurments using the probe we defined above
 #Probe points using X0 Y0 offsets @ 0.01mm/step
-points: -3,-6
-        282,-6
-        282,300
-        -3,300
+points: -3, -6
+        282, -6
+        282, 300
+        -3, 300
 speed: 75
 horizontal_move_z: 5
 
@@ -196,7 +196,7 @@ horizontal_move_z: 5
 #Needed to lift the Z to clear homing switch on bed
 # ---> WARNING! - Z_MAX limit switch not monitored in Klipper! <---
 # ---> This could potentially crash the toolhead if already at the top of Z travel! <---
-home_xy_position: -19,265
+home_xy_position: -19, 265
 speed: 50.0
 z_hop: 15.0
 move_to_previous: False