Setup of MQTT broker

Install MQTT broker application in the office linux machine (exflqr18127), for the MCUs to interact with the karabo system. Preferably get the popular, open source broker named "mosquitto". There are learning resources available at "www.randomnerdtutorial.com" blog.

Also this link comes in handy: https://www.arubacloud.com/tutorial/how-to-install-and-secure-mosquitto-on-ubuntu-20-04.aspx