Add ESQL for security section, threat hunt tutorial (#1689)

Co-authored-by: natasha-moore-elastic <[email protected]>

Author: leemthompo

solutions/security/esql-for-security.md

@@ -0,0 +1,25 @@
+---
+navigation_title: ES|QL for security
+applies_to:
+  stack: all
+  serverless:
+products:
+  - id: security
+---
+
+# {{esql}} for security use cases
+
+Use the following resources to learn about using the [Elasticsearch Query Language ({{esql}})](elasticsearch://reference/query-languages/esql.md) for cybersecurity use cases.
+
+## Tutorials
+
+- [Threat hunting with {{esql}}](esql-for-security/esql-threat-hunting-tutorial.md): Learn how to use {{esql}} to hunt for threats in your data.
+
+## Documentation
+
+Learn how to:
+
+- [Generate and understand {{esql}} queries](/solutions/security/ai/generate-customize-learn-about-esorql-queries.md) using the AI Assistant
+- [Investigate events in Timeline](/solutions/security/investigate/timeline.md#esql-in-timeline) using {{esql}}
+- [Create detection rules](/solutions/security/detect-and-alert/create-detection-rule.md#create-esql-rule) using {{esql}}
+- [Convert Splunk SPL rules to {{esql}}](/solutions/security/get-started/automatic-migration.md) with Automatic Migration