Enable Prometheus metrics on Mosquitto

[Nusephived]

Is your feature request related to a problem?

Hi! It can be good to monitor all the mosquitto stuff like this : https://grafana.com/grafana/dashboards/11542-mosquitto-broker/ or this : https://grafana.com/grafana/dashboards/17721-mosquitto-exporter/

Describe the solution you'd like

It can be nice to have a check box like for Traefik by example.

Describe alternatives you've considered

None

Additional context

No response

I've read and agree with the following

• [X] I've checked all open and closed issues and my request is not there.
• [X] I've checked all open and closed pull requests and my request is not there.

[PrivatePuffin]

If you want to expedite this enhancement, please consider putting a bounty on it here:

https://opencollective.com/truecharts-bounties/contribute/place-bounty-72003