[8.15] [Request][8.15 & Serverless] AI Assistant for rule creation (b…

…ackport #5598) (#5635)

* [Request][8.15 & Serverless] AI Assistant for rule creation (#5598)

* First draft

* Fixed name

(cherry picked from commit 1617d22)

# Conflicts:
#	docs/serverless/AI-for-security/ai-assistant.mdx

* Delete docs/serverless directory and its contents

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Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

docs/AI-for-security/ai-security-assistant.asciidoc

@@ -64,7 +64,7 @@ This opens the *Welcome* chat interface, where you can ask general questions abo
 You can also chat with AI Assistant from several particular pages in {elastic-sec} where you can easily send context-specific data and prompts to AI Assistant.
 
 * <<view-alert-details, Alert details>> or Event details flyout: Click *Chat* while viewing the details of an alert or event.
-* <<rules-ui-management, Rules page>>: Select one or more rules, then click the **Chat** button at the top right of the page.
+* <<rules-ui-management, Rules page>>: Use AI Assistant to help create or correct rule queries.
 * <<data-quality-dash, Data Quality dashboard>>: Select the *Incompatible fields* tab, then click *Chat*. (This is only available for fields marked red, indicating they're incompatible).
 * <<timelines-ui, Timeline>>: Select the *Security Assistant* tab.