Add submission # 4498

#4498

Author: ArduinoBot

registry.txt

@@ -7019,3 +7019,4 @@ https://github.com/GyverLibs/rtc_utils.git|Contributed|rtc_utils
 https://github.com/AlbertGBarber/PixelSpork.git|Contributed|Pixel_Spork
 https://github.com/ardlib/bosejis_PString.git|Contributed|bosejis_PString
 https://github.com/manicken/sf22aswt.git|Contributed|sf22aswt
+https://github.com/pokerobo/Pokerobo_Arm.git|Contributed|Pokerobo_Arm