Updated TOC to reorganize How-to content based on Christian Montoya's original pull request.

Author: Heidilohr

articles/virtual-desktop/TOC.yml

@@ -34,32 +34,42 @@
         href: connect-macos.md
       - name: Connect with the iOS client
         href: connect-ios.md
-  - name: Create a host pool with an Azure Resource Manager template
-    href: create-host-pools-arm-template.md
-  - name: Create a host pool with PowerShell
-    href: create-host-pools-powershell.md
-  - name: Deploy a Windows 7 virtual machine on Windows Virtual Desktop
-    href: deploy-windows-7-virtual-machine.md
-  - name: Apply Windows license to Windows Virtual Desktop session hosts
+  - name: Create a host pool and session hosts
+    items:
+      - name: Azure Resource Manager template
+        href: create-host-pools-arm-template.md
+      - name: PowerShell
+        href: create-host-pools-powershell.md
+      - name: Deploy a Windows 7 virtual machine
+        href: deploy-windows-7-virtual-machine.md
+      - name: Deploy a GPU-based session host
+        href: configure-vm-gpu.md
+  - name: Create a profile container
+    items: 
+      - name: Use a VM-based file share
+        href: create-host-pools-user-profile.md
+      - name: Use Azure NetApp Files
+        href: create-fslogix-profile-container.md
+  - name: Configure host pool settings
+    items:
+      - name: RDP properties
+        href: customize-rdp-properties.md
+      - name: Load-balancing for pooled host pools
+        href: configure-host-pool-load-balancing.md
+  - name: Use Windows Virtual Desktop license
     href: apply-windows-license.md
   - name: Create a profile container for a host pool using a file share
     href: create-host-pools-user-profile.md
-  - name: Create a profile container for a host pool using Azure NetApp Files
-    href: create-fslogix-profile-container.md
-  - name: Configure the Windows Virtual Desktop load-balancing method
-    href: configure-host-pool-load-balancing.md
-  - name: Prepare and customize a master VHD image
-    href: set-up-customize-master-image.md
-  - name: Install Office on a master VHD image
-    href: install-office-on-wvd-master-image.md
-  - name: Configure GPU for Windows Virtual Desktop
-    href: configure-vm-gpu.md
+  - name: Customize session host image
+    items:
+      - name: Set up a master VHD image
+        href: set-up-customize-master-image.md
+      - name: Install Office on a master VHD image
+        href: install-office-on-wvd-master-image.md
   - name: Scale session hosts dynamically
     href: set-up-scaling-script.md
-  - name: Customize feed for Windows Virtual Desktop users
+  - name: Customize feed
     href: customize-feed-for-virtual-desktop-users.md
-  - name: Customize RDP Properties
-    href: customize-rdp-properties.md
   - name: Deploy the diagnostics tool
     href: deploy-diagnostics.md
   - name: Set up MSIX app attach