Add submission # 6727

#6727

Author: ArduinoBot

registry.txt

@@ -8247,3 +8247,4 @@ https://github.com/gavinlyonsrepo/ERM19264_UC1609_TEXT.git|Contributed|ERM19264_
 https://github.com/BestModules-Libraries/BME36M280A.git|Contributed|BME36M280A
 https://github.com/BestModules-Libraries/BM62S6021-1.git|Contributed|BM62S6021-1
 https://github.com/anaveo/KL1508CW.git|Contributed|KL1508CW
+https://github.com/teldrive-jpg/modbusmaster-GigaR1.git|Contributed|ModbusMaster_GigaR1