fix: address SME feedback — cross-link to Kubernetes workspace management

Add TIP explaining that workspaces are DevWorkspace custom resources
and linking to managing-workspaces-with-apis for CLI management.

Requested by @ibuziuk in PR review.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: gtrivedi88

modules/get-started/pages/basic-actions-you-can-perform-on-a-workspace.adoc

@@ -33,3 +33,5 @@ After you start a new workspace, you can perform the following actions on it in
 | Go to *⋮* *>* *Delete Workspace*.
 
 |===
+
+TIP: Each workspace is a {orch-name} `DevWorkspace` custom resource. You can also manage workspaces from the command line with `{orch-cli}` or `kubectl`. See xref:end-user-guide:managing-workspaces-with-apis.adoc[].