Refactor systemctl services and categories due to alarm bugs

This commit restructures systemctl service definitions and category mappings.

Motivation: Alarm-related bugs revealed inconsistencies in service and role handling.

Preparation step: lays the groundwork for fixing the alarm issues by aligning categories, roles, and service templates.

roles/sys-ctl-hlth-journalctl/files/sys-ctl-hlth-journalctl.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+echo "Checking journalctl for error messages..."
+journalctl_errors="$(journalctl --since '1 day ago' --no-pager | grep -i 'error')"
+if [ ! -z "$journalctl_errors" ]
+then 
+   echo "Some errors where found: $journalctl_errors"
+   exit 1
+fi
+echo "All docker containers are healthy."
+exit 0