Add submission # 615

#615

Author: ArduinoBot

registry.txt

@@ -4425,3 +4425,4 @@ https://github.com/m5stack/M5_EzData.git|Contributed|M5_EzData
 https://github.com/stm32duino/ST25R95.git|Contributed|STM32duino ST25R95
 https://github.com/adafruit/Adafruit_VL53L1X.git|Recommended|Adafruit VL53L1X
 https://github.com/DFRobot/DFRobot_DS323X.git|Contributed|DFRobot_DS323X
+https://github.com/Gbertaz/NonBlockingDallas.git|Contributed|NonBlockingDallas