Add submission # 5320

#5320

Author: ArduinoBot

registry.txt

@@ -7552,3 +7552,4 @@ https://github.com/MiguelLoureiro98/LM35IC.git|Contributed|LM35IC
 https://github.com/dralicimen/dwiBus.git|Contributed|dwiBus
 https://github.com/bdlow/IO22_IO_Board.git|Contributed|IO22_IO_Board
 https://github.com/RobTillaart/ACD3100.git|Contributed|ACD3100
+https://github.com/arduino-libraries/Arduino_OPC_UA.git|Arduino|Arduino_OPC_UA