Add submission # 6568

#6568

Author: ArduinoBot

registry.txt

@@ -8190,3 +8190,4 @@ https://github.com/ArthZ01/JWT-Lib.git|Contributed|JWTUtils
 https://github.com/ArthZ01/AES-Lib.git|Contributed|AESUtils
 https://github.com/PlayingWithFusion/PWFusion_SHT3X.git|Contributed|PWFusion_SHT3X
 https://github.com/EduKits/ManagedButtons.git|Contributed|ManagedButtons
+https://github.com/fadhil-1911/SmartTM1637.git|Contributed|SmartTM1637