Currently, there action types included in watcher are not covered in the
documentation. This patch is adding a new section Actions in the
Administration Guide, following a similar approach that the one for
strategies.
For each action, a brief description of the action and the supported
parameters is included.
Assisted-By: claude-code (claude-sonnet-4.5)
Implements: blueprint skip-actions-in-pre-condition
Change-Id: Id93093c7c66cb9ca02454df46778728fd641bee5
Signed-off-by: Alfredo Moralejo <amoralej@redhat.com>