Add submission # 7211

#7211

Author: ArduinoBot

registry.txt

@@ -8554,3 +8554,4 @@ https://github.com/Jakkapan-a/AssuraVisionSerial.git|Contributed|AssuraVisionSer
 https://github.com/atestb/MCP4151-Digital-Potentiometer.git|Contributed|MCP4151 Digital Potentiometer
 https://github.com/AIS-DeviceIntegration/AIS_4G_EXTENSION_BOARD.git|Contributed|AIS_4G_EXTENSION_BOARD
 https://github.com/adafruit/WiFiNINA.git|Recommended|WiFiNINA_-_Adafruit_Fork
+https://github.com/BojanJurca/cin-cout-for-Arduino.git|Contributed|CinCout