Include a preconfigured munin-node into the OS

I use icinga2/munin to monitor all of my systems, and when I switched from Supervised to HassOS, I lost the ability to monitor my Home Assistant instance. I could make use of snmp to monitor the system, if it provided me with the right metrics.
Home Assistant is an important part of my homelab, and I would very much like to have a way of monitoring it, and take action if there is problems in the horizon. And Munin is an excellent way of doing that.

I am using icinga2 and I can monitor homeassistant from icinga2 like CPU, updates, memory, node availability…
Here is an example of what I am monitoring: