Add submission # 5859

#5859

Author: ArduinoBot

registry.txt

@@ -7836,3 +7836,4 @@ https://github.com/khaledHamidi/qlink.git|Contributed|Qlink
 https://github.com/adafruit/Adafruit_LPS28.git|Recommended|Adafruit LPS28
 https://github.com/pmarques-dev/PicoHM01B0.git|Contributed|PicoHM01B0
 https://github.com/wallysalami/BarcodeGFX.git|Contributed|BarcodeGFX
+https://github.com/JagritThukral/ubidots-mqtt-esp32.git|Contributed|Ubidots MQTT for ESP32 and ESP8266