pcb: remove gnd tracks, export, generate gcode

hardware/chairAdjust-relayBoard/pcb2gcode/millproject_text

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+# === USAGE ===
+# simply run pcb2gcode in terminal while being in this folder.
+# pcb2gcode will use "millproject" in current folder for parameters by default
+#
+# === Notes ===
+# web based gcode viewer:
+# https://ncviewer.com/
+
+
+# === CONFIG ===
+# Configuration file generated by pcb2gcodeGUI version 0.1 on Wed Apr 6 15:40:16 2022
+# stopped using gui and customized parameters manually since then...
+
+#text layer
+back=./in/pcb-ihc_kicad-User_1.gbr
+#add  other layers (ignore output) otherwise alignment/origin wont match
+front=./in/pcb-ihc_kicad-F_Cu.gbr
+outline=./in/pcb-ihc_kicad-Edge_Cuts.gbr
+drill=./in/pcb-ihc_kicad-PTH.drl
+
+
+output-dir=./out/text
+
+# Common options
+metric=true
+metricoutput=true
+mirror-axis=0.0000
+mirror-yaxis=false
+nog64=false
+
+#set optimized to default value, because when it was set to 0 (disable) it caused crash (runs till ram full) for some reason, since adding text to center of pcb ==> set to default
+optimise=0.00000254 #default
+backtrack=0 #if default/undefined caused unwanted moves in copper without retracting, especially at letters (seen in gcode viewer) - thus disabled this feature
+tile-x=1
+tile-y=1
+tolerance=0.0500
+zchange=30.0000
+zchange-absolute=false
+zero-start=true
+zsafe=2.0000
+
+# Mill options
+extra-passes=0
+mill-feed=500 #default 600mm/min
+mill-speed=20000
+#####################
+offset=-0.140 #text line width is 0.3 so offset -0.14 is minimun otherwise crash
+zwork=-0.2000
+#####################
+voronoi=false
+
+# Drill options
+drill-feed=200
+drill-side=back
+drill-speed=20000
+milldrill=false
+#@#milldrill-diameter=3.0000
+nog81=false
+nog91-1=true
+onedrill=false
+zdrill=-1.7500
+
+# Outline options
+bridges=1.0000
+bridgesnum=2
+cut-feed=200
+cut-infeed=0.5000
+cut-side=back
+cut-speed=10000
+cut-vertfeed=60
+cutter-diameter=0.0000
+fill-outline=true
+zbridges=-0.6000
+zcut=-2.7000
+
+# Autoleveller options
+al-back=false
+al-front=false
+al-probecode=G31
+al-probefeed=100
+al-probevar=2002
+al-setzzero=G92 Z0
+al-x=15.0000
+al-y=15.0000
+software=custom
+