move service startup documentation

admin-guide/configuration.md

@@ -9,7 +9,7 @@ Here starts a so far small collections of configuration guides for sysadmins of
 - [Package Installation](configuration/packages)
 - [Automated Package Updates](configuration/package_updates)
 - [Selecting Package Repositories](configuration/package_repositories)
-- [Managing Services with Systemd)](configuration/services)
+- [Managing Services with Systemd](configuration/services)
 
 ## Basic Setup
 - [Mounting Volumes](configuration/mount)
@@ -19,9 +19,6 @@ Here starts a so far small collections of configuration guides for sysadmins of
 - [Custom Nameservers](configuration/custom_nameservers)
 - [Puppent Agent run frequency](configuration/puppet_agent)
 
-## Logging
-- [Setup Central Logging to Elastic](configuration/central_logging_elastic)
-
 ## Desktop
 - [Keyboard Layout](configuration/keyboard_layout)
 - [Autologin](configuration/autologin)
@@ -29,6 +26,8 @@ Here starts a so far small collections of configuration guides for sysadmins of
 - [Banner Message](configuration/banner_message)
 - [Alternative Desktops/Window Managers](configuration/alternative_desktops)
 
+## Logging
+- [Setup Central Logging to Elastic](configuration/central_logging_elastic)
 
 ## Special Installations
 - [SSH Host Hopping as Root (e.g. between cluster members)](configuration/ssh_host_hopping)