Add submission # 6626

#6626

Author: ArduinoBot

registry.txt

@@ -8234,3 +8234,4 @@ https://github.com/Zakrzewiaczek/pantryclient-esp.git|Contributed|PantryClient
 https://github.com/John-Karatka/MAX6953.git|Contributed|MAX6953
 https://github.com/GyverLibs/GyverMenu.git|Contributed|GyverMenu
 https://github.com/EduKits/UltraPing.git|Contributed|UltraPing
+https://github.com/MicroSui/microsui-lib.git|Contributed|MicroSui