Add submission # 3744

#3744

Author: ArduinoBot

registry.txt

@@ -6582,3 +6582,4 @@ https://github.com/m-shintaro/RTC_RX8025NB.git|Contributed|RTC_RX8025NB
 https://github.com/sh123/esp32_opus_arduino.git|Contributed|esp32_opus
 https://github.com/DarkWizarD24/fmt-arduino.git|Contributed|fmt
 https://github.com/tatemazer/AcaiaArduinoBLE.git|Contributed|AcaiaArduinoBLE
+https://github.com/sparkfun/SparkFun_AS7331_Arduino_Library.git|Contributed|SparkFun AS7331 Arduino Library