docs: Add a proof-of-concept video for AI API

Author: igorlukanin

docs/pages/product/apis-integrations/ai-api.mdx

@@ -11,7 +11,9 @@ Specifically, you can send the AI API a message (or conversation of messages) an
   your Cube representative to have it enabled for your account.
 </WarningBox>
 
-See [AI API reference][ref-ref-ai-api] for the list of supported API endpoinsts.
+See [AI API reference][ref-ref-ai-api] for the list of supported API endpoints.
+
+<YouTubeVideo url="https://www.youtube.com/embed/Qpg4RxqndnE"/>
 
 ## Configuration