Add submission # 6946

#6946

Author: ArduinoBot

registry.txt

@@ -8393,3 +8393,4 @@ https://github.com/m5stack/M5Unit-MQ.git|Contributed|Unit MQ
 https://github.com/Droidbane/ESPWiFiManagerByDroidbane.git|Contributed|ESPWiFiManagerByDroidbane
 https://github.com/SolderedElectronics/Soldered-Microphone-SPK0641HT-Library.git|Contributed|Soldered Microphone SPK0641HT Library
 https://github.com/SolderedElectronics/Soldered-DS3234-RTC-Arduino-Library.git|Contributed|Soldered DS3234 RTC
+https://github.com/7semi-solutions/7Semi-MAX31865-Arduino-Library.git|Contributed|7Semi_MAX31865