feat: add PrettyGCode for Klipper

scripts/update.sh

@@ -303,6 +303,13 @@ update_klipperscreen(){
   start_klipperscreen
 }
 
+update_pgc_for_klipper(){
+  PGC_DIR="${HOME}/pgcode"
+  status_msg "Updating PrettyGCode for Klipper ..."
+  cd $PGC_DIR && git pull
+  ok_msg "Update complete!"
+}
+
 update_system(){
   status_msg "Updating System ..."
   sudo apt-get update && sudo apt-get upgrade -y