Update deployment-introduction.md

Adding in information for leveraging our FastTrack for Azure program as a deployment method for customers as well.

Author: nathanielbahta

azure-stack/hci/deploy/deployment-introduction.md

@@ -27,6 +27,10 @@ In this release, you can deploy Azure Stack HCI using one of the following metho
 
     For more information, see [Deploy via Resource Manager template](deployment-azure-resource-manager-template.md).
 
+- **Deploy with assistance from FastTrack for Azure**: For guided assistance with Azure Stack HCI deployment projects, please consult your Microsoft Account team to leverage the FastTrack for Azure deployment acceleration program.  This program is available for select customers deploying Azure Stack HCI.  Please consult your account team for more information.
+
+    For more information about this program, see https://aka.ms/fasttrackforazure
+
 ## Deployment sequence
 
 Follow this sequence to deploy Azure Stack HCI in your environment: