[DOCS] review 2.5.0 docs (#5723)

# Description
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dependencies that are required for this change. -->



**Type of change**
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- Bug fix (non-breaking change which fixes an issue)
- New feature (non-breaking change which adds functionality)
- Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- Refactor (change restructuring the codebase without changing
functionality)
- Improvement (change adding some improvement to an existing
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- Documentation update

**How Has This Been Tested**
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**Checklist**
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- I added relevant documentation
- I followed the style guidelines of this project
- I did a self-review of my code
- I made corresponding changes to the documentation
- I confirm My changes generate no new warnings
- I have added tests that prove my fix is effective or that my feature
works
- I have added relevant notes to the CHANGELOG.md file (See
https://keepachangelog.com/)

argilla/mkdocs.yml

@@ -174,7 +174,9 @@ nav:
         - Import and export datasets: how_to_guides/import_export.md
       - Advanced:
         - Custom fields with layout templates: how_to_guides/custom_fields.md
-        - Use webhooks to respond to server events: how_to_guides/webhooks.md
+        - Use webhooks to respond to server events:
+            - how_to_guides/webhooks.md
+            - Webhooks internals: how_to_guides/webhooks_internals.md
         - Use Markdown to format rich content: how_to_guides/use_markdown_to_format_rich_content.md
         - Migrate users, workspaces and datasets to Argilla V2: how_to_guides/migrate_from_legacy_datasets.md
   - Tutorials: