docs: general changes to Cloud docs (#13616)

* docs: document self serve

* docs: Cloud docs changes

* vale fixes

* vale error fix

* fixes

* added new sections

* generate

www/apps/book/app/learn/build/page.mdx

@@ -8,6 +8,12 @@ In this chapter, you'll learn how to create a production build of your Medusa ap
 
 Next chapters explain how to deploy the Medusa application.
 
+<Note title="Deploy with Cloud" type="success">
+
+The below instructions are useful for self-hosting your Medusa application. You can also use [Cloud](!cloud!) to deploy and manage your Medusa application without worrying about infrastructure. Medusa will handle the configurations, deployment, and scaling for you.
+
+</Note>
+
 ## build Command
 
 The Medusa CLI tool provides a [build](!resources!/medusa-cli/commands/build) command that creates a standalone build of the Medusa application that:
@@ -117,5 +123,3 @@ Make sure to remove the `projectConfig.cookieOptions` configuration once you're
 ## Deploying Production Build
 
 The next chapter covers how to deploy the production build.
-
-You can also refer to the [deployment how-to guides](!resources!/deployment) for platform-specific deployment instructions.