Add submission # 6812

#6812

Author: ArduinoBot

registry.txt

@@ -8300,3 +8300,4 @@ https://github.com/satoyon/PFNFont.git|Contributed|PFNFont
 https://github.com/jaikulk14/MQGasKit.git|Contributed|MQGasKit
 https://github.com/kenchow96/faster-trig-2040.git|Contributed|faster-trig-2040
 https://github.com/nexbyteio/ZenRTC.git|Contributed|ZenRTC
+https://github.com/italo-coelho/Dimmer_ITC.git|Contributed|Dimmer_ITC