Add submission # 7134

#7134

Author: ArduinoBot

registry.txt

@@ -8517,3 +8517,4 @@ https://github.com/TamsinRose/CAN_Message_Arduino.git|Contributed|CAN_Message_Ar
 https://github.com/thomasgeissl/NeopixelCommander.git|Contributed|NeopixelCommander
 https://github.com/DFRobot/DFRobot_CT1780.git|Contributed|DFRobot_CT1780
 https://github.com/Sensirion/arduino-i2c-sfm3505.git|Contributed|Sensirion I2C SFM3505
+https://github.com/arduino-libraries/Arduino_LTR381RGB.git|Arduino|Arduino_LTR381RGB