Add submission # 3660

#3660

Author: ArduinoBot

registry.txt

@@ -6541,3 +6541,4 @@ https://github.com/facts-engineering/PCF8563_RTC.git|Contributed|PCF8563_RTC
 https://github.com/facts-engineering/AT24MAC_EEPROM.git|Contributed|ATMAC_EEPROM
 https://github.com/dejwk/roo_scheduler.git|Contributed|roo_scheduler
 https://github.com/GreenLeafLocal/HydroinoJobMgr.git|Contributed|HydroinoJobMgr
+https://github.com/Arduino-Library-Collection/DC-Motor-Engine-Control.git|Contributed|DC Motor Engine Control