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-cln-disc-space/meta/main.yml

@@ -0,0 +1,22 @@
+galaxy_info:
+  author: "Kevin Veen-Birkenbach"
+  description: "Frees disk space on the target system by executing a cleanup script that removes temporary files, clears package caches, and optionally handles Docker and backup cleanup."
+  license: "Infinito.Nexus NonCommercial License"
+  license_url: "https://s.infinito.nexus/license"
+  company: |
+    Kevin Veen-Birkenbach
+    Consulting & Coaching Solutions
+    https://www.veen.world
+  min_ansible_version: "2.9"
+  platforms:
+  - name: Linux
+    versions:
+    - all
+  galaxy_tags:
+  - disk
+  - cleanup
+  - storage
+  - automation
+  repository: "https://s.infinito.nexus/code"
+  issue_tracker_url: "https://s.infinito.nexus/issues"
+  documentation: "https://docs.infinito.nexus"