Process data from MQTT

[atraides]

On the server side we need am MQTT client to process data coming from the satellite devices via MQTT

Requirements:

• [x] Connect to a MQTT broker using TLS connection with username and password
• [x] Subscribe to MQTT topics
• [x] Read data from subscribed topics
• [x] Write data to subscribed topics
• [x] Multi-threaded operation to avoid the blocking loop

[atraides]

https://www.emqx.com/en/blog/comparision-of-python-mqtt-client https://pypi.org/project/paho-mqtt/

[Gallyano]

https://www.emqx.com/en/blog/comparision-of-python-mqtt-client does not support mqtt 5.0

[atraides]

Test cases need update with the new disconnect function.