Add submission # 6526

#6526

Author: ArduinoBot

registry.txt

@@ -8268,3 +8268,4 @@ https://github.com/GalaidaMaxim/Delayer.git|Contributed|Delayer
 https://github.com/msnicklous/BufferedTrace.git|Contributed|BufferedTrace
 https://github.com/HS3UKA/HS3UKA_PCF8574.git|Contributed|HS3UKA_PCF8574
 https://github.com/PowerBroker2/Optimization.git|Contributed|Optimization
+https://github.com/muhpuc40/MacRandomizer.git|Contributed|MacRandomizer