Add submission # 4335

#4335

Author: ArduinoBot

registry.txt

@@ -6948,3 +6948,4 @@ https://github.com/stm32duino/X-NUCLEO-53L4A3.git|Contributed|STM32duino X-NUCLE
 https://github.com/stm32duino/VL53L4ED.git|Contributed|STM32duino VL53L4ED
 https://github.com/codewithher/CC-Lantern.git|Contributed|CC-Lantern
 https://github.com/arduino-libraries/Arduino_Cellular.git|Arduino|Arduino_Cellular
+https://github.com/SnailDragon/MightyOhmGeigerCounter.git|Contributed|MightyOhmGeigerCounter