Add submission # 4691

#4691

Author: ArduinoBot

registry.txt

@@ -7208,3 +7208,4 @@ https://github.com/paramoshkinandrew/BME280_Arduino_I2C.git|Contributed|BME280_A
 https://github.com/qingmeijiupiao/DJIMotorCtrlESP.git|Contributed|DJIMotorCtrlESP
 https://github.com/piruetasxyz/Pantalla12x8.git|Contributed|Pantalla12x8
 https://github.com/michaelnixonau/MaxLedControl.git|Contributed|MaxLedControl
+https://github.com/m5stack/M5NanoC6.git|Contributed|M5NanoC6