docs: add note to s3 guide (#12289)

www/apps/resources/app/infrastructure-modules/file/s3/page.mdx

@@ -11,7 +11,11 @@ export const metadata = {
 
 The S3 File Module Provider integrates Amazon S3 and services following a compatible API (such as MinIO or DigitalOcean Spaces) to store files uploaded to your Medusa application.
 
----
+<Note title="Looking for managed storage?">
+
+Medusa Cloud offers a managed file storage solution with AWS S3 for your Medusa application. Contact the [sales team](https://medusajs.com/pricing/) to learn more.
+
+</Note>
 
 ## Prerequisites