Added template spec option

src/bicep/add-ons/azureVirtualDesktop/README.md

@@ -9,24 +9,33 @@ This Azure Virtual Desktop (AVD) solution will deploy a fully operational [stamp
 > [!WARNING]
 > Failure to complete the [prerequisites](./docs/prerequisites.md) will result in an unsuccessful deployment.
 
-### Azure Portal
+### Blue Buttons
+
+This option opens the deployment UI for the solution in the Azure Portal. Be sure to select the button for the correct cloud. If your desired cloud is not listed, please use the template spec option below.
 
 [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#blade/Microsoft_Azure_CreateUIDef/CustomDeploymentBlade/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fadd-ons%2FazureVirtualDesktop%2Fsolution.json/uiFormDefinitionUri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fadd-ons%2FazureVirtualDesktop%2FuiDefinition.json)
 [![Deploy to Azure Gov](https://aka.ms/deploytoazuregovbutton)](https://portal.azure.us/#blade/Microsoft_Azure_CreateUIDef/CustomDeploymentBlade/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fadd-ons%2FazureVirtualDesktop%2Fsolution.json/uiFormDefinitionUri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fadd-ons%2FazureVirtualDesktop%2FuiDefinition.json)
 
-### PowerShell
+### Template Spec
+
+This option creates a template spec in Azure to deploy the solution and is the preferred option for air-gapped clouds. Once you create the template spec, open it in the portal and click the "Deploy" button.
 
 ````powershell
-New-AzDeployment `
-    -Location '<Azure location>' `
-    -TemplateFile 'https://raw.githubusercontent.com/jamasten/AzureVirtualDesktop/main/solution.json' `
-    -Verbose
+$Location = '<Azure Location>'
+$ResourceGroupName = 'rg-ts-<Environment Abbreviation>-<Location Abbreviation>'
+$TemplateSpecName = 'ts-avd-<Environment Abbreviation>-<Location Abbreviation>'
+
+New-AzResourceGroup `
+    -Name $ResourceGroupName `
+    -Location $Location `
+    -Force
+
+New-AzTemplateSpec `
+    -ResourceGroupName $ResourceGroupName `
+    -Name $TemplateSpecName `
+    -Version 1.0 `
+    -Location $Location `
+    -TemplateFile '.\src\bicep\add-ons\azureVirtualDesktop\solution.json' `
+    -UIFormDefinitionFile '.\src\bicep\add-ons\azureVirtualDesktop\uiDefinition.json' `
+    -Force
 ````
-
-### Azure CLI
-
-````cli
-az deployment sub create \
-    --location '<Azure location>' \
-    --template-uri 'https://raw.githubusercontent.com/jamasten/AzureVirtualDesktop/main/solution.json'
-````