Investigate and define which prometheus metrics could be exposed by the operator. Some ideas: * Node count per pool * Various stete of the nodes, basically the information reported [here](https://github.com/bootc-dev/bootc-operator/blob/main/internal/controller/rollout.go#L77) could be helpful * bootc status like the booted image
Investigate and define which prometheus metrics could be exposed by the operator. Some ideas: