Add Marlin firmware. Has initial configuration for CoreXY and 1 servo.

Update CAD file with improved clearances for Pilot G2 cartridge clearances after first print.

Marlin Firmware/buildroot/tests/FYSETC_S6

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+#
+# Build tests for FYSETC_S6
+#
+
+# exit on first failure
+set -e
+
+# Build examples
+restore_configs
+use_example_configs FYSETC/S6
+opt_enable MEATPACK_ON_SERIAL_PORT_1
+opt_set Y_DRIVER_TYPE TMC2209 Z_DRIVER_TYPE TMC2130
+exec_test $1 $2 "FYSETC S6 Example" "$3"
+
+# cleanup
+restore_configs