[DOCS] Moves X-Pack configuration pages in table of contents (#9604)

docs/index-shared3.asciidoc

@@ -30,6 +30,20 @@ include::static/ingest-convert.asciidoc[]
 :edit_url: https://github.com/elastic/logstash/edit/{branch}/docs/static/ls-ls-config.asciidoc
 include::static/ls-ls-config.asciidoc[]
 
+ifdef::include-xpack[]
+:edit_url: https://github.com/elastic/logstash/edit/{branch}/x-pack/docs/en/management/configuring-centralized-pipelines.asciidoc
+include::{xls-repo-dir}/management/configuring-centralized-pipelines.asciidoc[]
+
+:edit_url: https://github.com/elastic/logstash/edit/{branch}/x-pack/docs/en/monitoring/configuring-logstash.asciidoc
+include::{xls-repo-dir}/monitoring/configuring-logstash.asciidoc[]
+
+:edit_url: https://github.com/elastic/logstash/edit/{branch}/x-pack/docs/en/security/logstash.asciidoc
+include::{xls-repo-dir}/security/logstash.asciidoc[]
+
+:edit_url: https://github.com/elastic/logstash/edit/{branch}/x-pack/docs/en/setup/configuring-xls.asciidoc
+include::{xls-repo-dir}/setup/configuring-xls.asciidoc[]
+endif::include-xpack[]
+
 // Centralized configuration managements
 :edit_url: https://github.com/elastic/logstash/edit/{branch}/docs/static/config-management.asciidoc
 include::static/config-management.asciidoc[]

x-pack/docs/en/index.asciidoc

@@ -2,6 +2,7 @@
 include::{log-repo-dir}/index-shared1.asciidoc[]
 
 :edit_url: https://github.com/elastic/logstash/edit/{branch}/
+include::setup/installing-xls.asciidoc[]
 include::setup/setting-up-xpack.asciidoc[]
 
 include::{log-repo-dir}/index-shared2.asciidoc[]

x-pack/docs/en/management/configuring-centralized-pipelines.asciidoc

@@ -1,6 +1,9 @@
 [role="xpack"]
 [[configuring-centralized-pipelines]]
 === Configuring Centralized Pipeline Management
+++++
+<titleabbrev>Centralized Pipeline Management</titleabbrev>
+++++
 
 To configure
 {logstash-ref}/logstash-centralized-pipeline-management.html[centralized pipeline management]:

x-pack/docs/en/monitoring/configuring-logstash.asciidoc

@@ -2,7 +2,7 @@
 [[configuring-logstash]]
 === Configuring Monitoring for Logstash Nodes
 ++++
-<titleabbrev>Configuring Monitoring</titleabbrev>
+<titleabbrev>{monitoring}</titleabbrev>
 ++++
 
 To monitor Logstash nodes:

x-pack/docs/en/security/logstash.asciidoc

@@ -2,7 +2,7 @@
 [[ls-security]]
 === Configuring Security in Logstash
 ++++
-<titleabbrev>Configuring Security</titleabbrev>
+<titleabbrev>{security}</titleabbrev>
 ++++
 
 The Logstash {es} plugins (

x-pack/docs/en/setup/setting-up-xpack.asciidoc

@@ -1,6 +1,6 @@
 [role="xpack"]
 [[setup-xpack]]
-== Setting Up X-Pack
+=== Setting Up X-Pack
 
 {xpack} is an Elastic Stack extension that provides security, alerting,
 monitoring, machine learning, pipeline management, and many other capabilities. 
@@ -10,9 +10,3 @@ If you want to try all of the {xpack} features, you can
 {xpack-ref}/license-management.html[start a 30-day trial]. At the end of the 
 trial period, you can purchase a subscription to keep using the full 
 functionality of the {xpack} components. For more information, see https://www.elastic.co/subscriptions.
-
-include::installing-xls.asciidoc[]
-include::configuring-xls.asciidoc[]
-include::{xls-repo-dir}/management/configuring-centralized-pipelines.asciidoc[]
-include::{xls-repo-dir}/monitoring/configuring-logstash.asciidoc[]
-include::{xls-repo-dir}/security/logstash.asciidoc[]