Add submission # 6104

#6104

Author: ArduinoBot

registry.txt

@@ -8019,3 +8019,4 @@ https://github.com/adafruit/Adafruit_TLV320_I2S.git|Recommended|Adafruit TLV320
 https://github.com/codingABI/KY040.git|Contributed|KY040
 https://github.com/iavorvel/MyButton.git|Contributed|My_Button
 https://github.com/auralius/yapid.git|Contributed|YAPID
+https://github.com/vincentmuriithi/kari.git|Contributed|kari