Add examples for confidential VM, VMSS and OS Disk

quickstart/201-confidential-os-disk/main.tf

@@ -0,0 +1,24 @@
+data "azurerm_platform_image" "example" {
+  location  = var.location
+  publisher = "MicrosoftWindowsServer"
+  offer     = "windows-cvm"
+  sku       = "2022-datacenter-cvm"
+}
+
+resource "azurerm_resource_group" "example" {
+  name     = "${var.name_prefix}-rg"
+  location = var.location
+}
+
+resource "azurerm_managed_disk" "example" {
+  name                 = "${var.name_prefix}-disk"
+  location             = azurerm_resource_group.example.location
+  resource_group_name  = azurerm_resource_group.example.name
+  storage_account_type = "Standard_LRS"
+  create_option        = "FromImage"
+  image_reference_id   = data.azurerm_platform_image.example.id
+  os_type              = "Windows"
+  hyper_v_generation   = "V2"
+
+  security_type = "ConfidentialVM_DiskEncryptedWithPlatformKey"
+}