add support for turnouts

turnout.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "item.h"
+#include <stdint.h>
+
+class Turnout: public Item
+{
+public:
+	static constexpr uint8_t LEFT = 0;
+	static constexpr uint8_t RIGHT = 1;
+
+private:
+	uint8_t _direction = LEFT;
+	uint8_t _subaddress;
+
+public:
+	Turnout(uint8_t address, uint8_t subaddress);
+	void setDirection(uint8_t direction);
+	uint8_t getDirection();
+	uint8_t getSubaddress();
+	uint16_t getPacket();
+	void sendData();
+};