Document Graceful Shutdown System Information

[EFonsecaPag]

Startin at version , it was

From version 414 onwards, authorization control for writing operations on nodes was implemented.
This change directly affected graceful activation.
So, in order to change the worker's state, it is necessary to implement the write option specifically in the worker.
I managed to do this as follows, using chart v0.14.0:

I suggest changing the documentation to include this information to make implementing graceful easier.

slack thread on the subject

[hashhar]

cc: @mosabua

[mosabua]

This is kinda documented already and needs to be part of file based access control docs and the Helm chart docs. I have a backlog task for both and will fold this into my work on these.