Add auto-cut functionality: diagram, switches, new state

control.cpp:
    - Add new systemState CUTTING
    - change systemState_t from enum to enum class (conflicting with
      cutter enum)

    - Add CUTTING functionality to CUT switch and auto cut after target
      reached if enabled

cutter.cpp:
    - Add function cutter_isRunning()

config:
    - Add GPIO_LAMP macro to config

main/cutter.cpp

@@ -55,6 +55,20 @@ cutter_state_t cutter_getState(){
 
 
 
+//============================
+//===== cutter_isRunning =====
+//============================
+bool cutter_isRunning(){
+    if (cutter_state == cutter_state_t::START 
+            || cutter_state == cutter_state_t::CUTTING) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+
+
 //---------------------------
 //-------- setState ---------
 //---------------------------