Add submission # 4236

#4236

Author: ArduinoBot

registry.txt

@@ -6885,3 +6885,4 @@ https://github.com/floatplane/Ministache.git|Contributed|Ministache
 https://github.com/Witty-Wizard/SerialIO.git|Contributed|serialIO
 https://github.com/locple/LiquidCrystal_I2C_UTF8.git|Contributed|LiquidCrystal I2C UTF8
 https://github.com/sparkfun/SparkFun_Qwiic_XM125_Arduino_Library.git|Contributed|SparkFun XM125 Arduino Library
+https://github.com/Karibura-Cyber/NHBot.git|Contributed|NHBot