chore(docs): Updated UI Reference (#6347)

* chore(docs): Generated UI Reference

* fixed props typing + added new alert page

* updated ui dependencies

---------

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

www/apps/ui/src/examples/alert-error.tsx

@@ -0,0 +1,5 @@
+import { Alert } from "@medusajs/ui"
+
+export default function AlertError() {
+  return <Alert variant="error">An error occured while updating data.</Alert>
+}