Add submission # 4546

#4546

Author: ArduinoBot

registry.txt

@@ -7051,3 +7051,4 @@ https://github.com/Sam4uk/Tools.Easy.git|Contributed|Tools.Easy
 https://github.com/hideakitai/ADS1220.git|Contributed|ADS1220
 https://github.com/gadaman-rm/ESP_MultiWiFi.git|Contributed|ESP_MultiWiFi
 https://github.com/CIRCUITSTATE/CSE_CircularBuffer.git|Contributed|CSE_CircularBuffer
+https://github.com/boodskap/ArduinoDigitalTwin.git|Contributed|Boodskap IoT Digital Twin library