fix ask demo link

Author: msukkari

docs/docs/features/ask/overview.mdx

@@ -26,7 +26,7 @@ Ask Sourcebot **uses an LLM provider you configure with Sourcebot**, ensuring yo
 
 <iframe
   className="w-full aspect-video rounded-xl"
-  src="https://www.youtube.com/watch?v=0com8JD1AwY"
+  src="https://www.youtube.com/embed/0com8JD1AwY"
   title="Ask Sourcebot demo"
   allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
   allowFullScreen