docs: improve AI Assistant (#11208)

* initial implementation

* integrate new ai assistant in other projects + ux improvements

* fix chat window on mobile devices

* fixes to mobile

* allow pre

* change shortcut to i

* improved responsiveness

* align version in navbar

www/apps/ui/src/components/feedback.tsx

@@ -23,7 +23,7 @@ export const Feedback = ({ title, ...props }: FeedbackProps) => {
         section: title,
       }}
       {...props}
-      className={clsx("text-medusa-fg-subtle", props.className)}
+      className={clsx("text-medusa-fg-base", props.className)}
     />
   )
 }