Seperated debounce read function for buttons which are normally high and normally low

include/commonFunctions.h

@@ -4,10 +4,13 @@ class Reader
 {
 private:
     unsigned long lastDebounceTime = 0;
-    bool lastButtonState = LOW;
-    bool buttonState = HIGH;
+    bool lastButtonStateNO = LOW;
+    bool buttonStateNO = HIGH;
+    bool lastButtonStateNC = HIGH;
+    bool buttonStateNC = LOW;
     int lastPin;
 
 public:
-    bool debounceRead(int buttonPin);
+    bool debounceReadNO(int buttonPin);
+    bool debounceReadNC(int buttonPin);
 };