AVD deploy add expanding sections

Author: dknappettmsft

articles/virtual-desktop/deploy-azure-virtual-desktop.md

@@ -137,7 +137,8 @@ Here's how to create a host pool using the Azure portal.
 
 1. *Optional*: On the **Virtual machines** tab, if you want to add session hosts, complete the following information, depending on if you want to create session hosts on Azure or Azure Stack HCI:
 
-   1. To add session hosts on Azure:
+   <details>
+       <summary>   - To add session hosts on **Azure**, expand this section.</summary>
 
       | Parameter | Value/Description |
       |--|--|
@@ -169,8 +170,10 @@ Here's how to create a host pool using the Azure portal.
       | Confirm password | Reenter the password. |
       | **Custom configuration** |  |
       | Custom configuration script URL | If you want to run a PowerShell script during deployment you can enter the URL here. |
+   </details>
 
-   1. To add session hosts on Azure Stack HCI:
+   <details>
+       <summary>   - To add session hosts on **Azure Stack HCI**, expand this section.</summary>
 
       | Parameter | Value/Description |
       |--|--|
@@ -197,6 +200,7 @@ Here's how to create a host pool using the Azure portal.
       | Username | Enter a name to use as the local administrator account for the new session hosts. |
       | Password | Enter a password for the local administrator account. |
       | Confirm password | Reenter the password. |
+   </details>
 
    Once you've completed this tab, select **Next: Workspace**.