RFID reading now includes RFID data, enabling you to save additional data (still to come...) to the rfid card.

include/controller.h

@@ -17,6 +17,8 @@ private:
 	void _check_buttons();
 	bool _debounce_button(uint8_t index);
 	uint32_t _get_rfid_card_uid();
+	String _read_rfid_data();
+	bool _rfid_present = false;
 	uint32_t _last_rfid_card_uid = 0;
 	uint8_t _no_rfid_card_count = 0;
 	Player* _player;