[DOCS] Adds AI assistant functionality to Using ES|QL page (#101918)

Co-authored-by: Abdon Pijpelink <abdon.pijpelink@elastic.co>

docs/reference/esql/esql-using.asciidoc

@@ -9,8 +9,8 @@ Using {esql} in {kib} to query and aggregate your data, create visualizations,
 and set up alerts.
 
 <<esql-elastic-security>>::
-Using {esql} in {elastic-sec} to investigate events in Timeline and create
-detection rules.
+Using {esql} in {elastic-sec} to investigate events in Timeline, create
+detection rules, and build {esql} queries using Elastic AI Assistant. 
 
 <<esql-task-management>>::
 Using the <<tasks,task management API>> to list and cancel {esql} queries.
@@ -18,4 +18,4 @@ Using the <<tasks,task management API>> to list and cancel {esql} queries.
 include::esql-rest.asciidoc[]
 include::esql-kibana.asciidoc[]
 include::esql-security-solution.asciidoc[]
-include::task-management.asciidoc[]
+include::task-management.asciidoc[]