Add submission # 6672

#6672

Author: ArduinoBot

registry.txt

@@ -8276,3 +8276,4 @@ https://github.com/m5stack/M5Unit-Step16.git|Contributed|M5UnitStep16
 https://github.com/Zefek/MQTTESP8266.git|Contributed|MQTTESP8266
 https://github.com/aneesharnavch/microdsp.git|Contributed|microdsp
 https://github.com/muchaste/Ardoxy.git|Contributed|Ardoxy
+https://github.com/qqqlab/ESPnow-RC.git|Contributed|ESPnow-RC