Feature: Implement observability

[drasko]

Is your feature request related to a problem? Please describe.

No

Describe the feature you are requesting, as well as the possible use case(s) for it.

Implement observability of the Propeller node.

This task should be potentially be split in several tasks - logs, metrics, ...

Take into account that this will run on Zephyr RTOS, not only on big machines (maybe apply two approaches, depending on which OS it is running - Linux or Zephyr).

Indicate the importance of this feature to you.

Must-have

Anything else?

No response