Initial commit

Using TMC2208 in standalone mode, I've inverted the stepper direction to match Anycubics pin layout. M110 memory watcher was removed due to redundancy and - ironically - to save memory.

buildroot/bin/use_example_configs

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+restore_configs
+
+cp Marlin/example_configurations/"$@"/Configuration* Marlin/
+
+if [ -f "Marlin/example_configurations/$@/_Bootscreen.h" ]; then
+  cp "Marlin/example_configurations/$@/_Bootscreen.h" Marlin/
+fi