Add submission # 6545

#6545

Author: ArduinoBot

registry.txt

@@ -8281,3 +8281,4 @@ https://github.com/danel32/Arduino-Library-for-MAX7300.git|Contributed|MAX7300
 https://github.com/SpaceTrekKSC/MakerBox.git|Contributed|SpaceTrek MakerBox
 https://github.com/mirosieber/OPT300x.git|Contributed|OPT300x
 https://github.com/bull-m/BULLM-Extend-Motor.git|Contributed|BULLM-Extend-Motor
+https://github.com/esharp17/Mecanum_Base.git|Contributed|MecanumBase