Add submission # 6425

#6425

Author: ArduinoBot

registry.txt

@@ -8201,3 +8201,4 @@ https://github.com/diy-electron1cs/DE_tacho.git|Contributed|DE_tacho
 https://github.com/magnus-cpu/NexNTC.git|Contributed|NEXNTC
 https://github.com/arduino-libraries/Arduino_CapacitiveTouch.git|Arduino|Arduino_CapacitiveTouchUNO
 https://github.com/adafruit/Adafruit_AS5600.git|Recommended|Adafruit AS5600 Library
+https://github.com/deshrit/SimpleRegression.git|Contributed|SimpleRegression