Fleet: Add links to ILM docs in agent tutorials and main integrations page

Author: kilfoyle

reference/fleet/example-standalone-monitor-nginx-serverless.md

@@ -315,3 +315,4 @@ Congratulations! You have successfully set up monitoring for nginx using standal
 
 * Learn more about [{{fleet}} and {{agent}}](/reference/fleet/index.md).
 * Learn more about [{{integrations}}](integration-docs://reference/index.md).
+* Learn how to manage your [data lifecycle](/manage-data/lifecycle.md).

reference/fleet/example-standalone-monitor-nginx.md

@@ -314,3 +314,4 @@ Congratulations! You have successfully set up monitoring for nginx using standal
 
 * Learn more about [{{fleet}} and {{agent}}](/reference/fleet/index.md).
 * Learn more about [{{integrations}}](integration-docs://reference/index.md).
+* Learn how to manage your [data lifecycle](/manage-data/lifecycle.md).

reference/fleet/manage-integrations.md

@@ -47,15 +47,6 @@ The **Integrations** app in {{kib}} needs access to the public {{package-registr
 
 ::::
 
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+:::{tip}
+Once you've started using integrations to ingest data, you can customize how that data is managed over time. Refer to [Index lifecycle management](/reference/fleet/data-streams.md#data-streams-ilm) to learn more.
+:::