fix: security hardening, LibreOffice suite, orphaned deps cleanup

Author: draphy

README.md

@@ -847,6 +847,7 @@ The uninstaller is smart about your base system:
 - PostgreSQL service
 - switcheroo-control (GPU switching)
 - NVIDIA drivers (with dracut regeneration)
+- Orphaned dependency packages (dnf autoremove)
 - Shell revert to bash
 - Backup restoration