Create missing directories required by the services/operators

[siegfriedweber]

:warning: TBD – not ready for work

It must be clarified if the agent is responsible for creating missing directories required by the services/operators. Furthermore it must be specified who defines the directories and all directories must be listed.

[berndfo]

clarification process is started here with ADR "worker node directories". https://github.com/stackabletech/documentation/blob/adr-worker-node-directories/modules/adr/pages/drafts/ADRnnn-worker-node-directories.adoc