Add submission # 6047

#6047

Author: ArduinoBot

registry.txt

@@ -7965,3 +7965,4 @@ https://github.com/Amanecer-Digital-SL/am_ambot_library.git|Contributed|AMBOT
 https://github.com/tomorrow56/SPRESENSE_ESP8266_LINE_Messaging_API.git|Contributed|ESP8266_LINE_Messaging_API
 https://github.com/zamanturja/A9Gmod.git|Contributed|A9Gmod
 https://github.com/janelia-arduino/TMC51X0.git|Contributed|TMC51X0
+https://github.com/WBS-Wissen/Stepper8825Lib.git|Contributed|Stepper8825Lib