Add callout to the tf-migrate tutorial (#1259)

Author: BrianMMcClain

content/terraform-migrate/v2.0.x/docs/migrate/stacks.mdx

@@ -8,6 +8,8 @@ description: >-
 
 You can use `tf-migrate` to migrate an HCP Terraform workspace to a Stack. Refer to the [Stacks documentation](/terraform/cloud-docs/stacks) for more information on Stacks.
 
+> **Hands-on:** Try the [Migrate a workspace to a Stack](/terraform/tutorials/cloud/stacks-migrate) tutorial.
+
 @include 'stacks.mdx'
 
 ## Overview