Update docs/configuring-playbook.md: move "Core service adjustments" section up

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook.md

@@ -31,18 +31,6 @@ When you're done with all the configuration you'd like to do, continue with [Ins
 
 ## Other configuration options
 
-### Additional useful services
-
-- [Setting up the Jitsi video-conferencing platform](configuring-playbook-jitsi.md)
-
-- [Setting up Etherpad](configuring-playbook-etherpad.md)
-
-- [Enabling metrics and graphs (Prometheus, Grafana) for your Matrix server](configuring-playbook-prometheus-grafana.md)
-
-- [Enabling metrics and graphs for NginX logs](docs/configuring-playbook-prometheus-nginxlog.md)
-
-- [Enabling synapse-usage-exporter for Synapse usage statistics](configuring-playbook-synapse-usage-exporter.md)
-
 ### Core service adjustments
 
 - Homeserver configuration:
@@ -72,6 +60,17 @@ When you're done with all the configuration you'd like to do, continue with [Ins
 
 - [Adjusting TURN server configuration](configuring-playbook-turn.md) (advanced)
 
+### Additional useful services
+
+- [Setting up the Jitsi video-conferencing platform](configuring-playbook-jitsi.md)
+
+- [Setting up Etherpad](configuring-playbook-etherpad.md)
+
+- [Enabling metrics and graphs (Prometheus, Grafana) for your Matrix server](configuring-playbook-prometheus-grafana.md)
+
+- [Enabling metrics and graphs for NginX logs](docs/configuring-playbook-prometheus-nginxlog.md)
+
+- [Enabling synapse-usage-exporter for Synapse usage statistics](configuring-playbook-synapse-usage-exporter.md)
 
 ### Server connectivity