new folder for anf option, edits to variables

quickstart/101-azure-virtual-desktop-anf/networking.tf

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+resource "azurerm_virtual_network" "vnet" {
+  name                = "${var.prefix}-VNet"
+  address_space       = var.vnet_range
+  dns_servers         = var.dns_servers
+  location            = var.deploy_location
+  resource_group_name = var.rg_name
+  depends_on          = [azurerm_resource_group.rg]
+}
+
+resource "azurerm_subnet" "subnet" {
+  name                 = "default"
+  resource_group_name  = var.rg_name
+  virtual_network_name = azurerm_virtual_network.vnet.name
+  address_prefixes     = var.subnet_range
+  depends_on           = [azurerm_resource_group.rg]
+}
+
+resource "azurerm_network_security_group" "nsg" {
+  name                = "${var.prefix}-NSG"
+  location            = var.deploy_location
+  resource_group_name = var.rg_name
+  security_rule {
+    name                       = "HTTPS"
+    priority                   = 1001
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "Tcp"
+    source_port_range          = "*"
+    destination_port_range     = "443"
+    source_address_prefix      = "*"
+    destination_address_prefix = "*"
+  }
+  depends_on = [azurerm_resource_group.rg]
+}
+
+resource "azurerm_subnet_network_security_group_association" "nsg_assoc" {
+  subnet_id                 = azurerm_subnet.subnet.id
+  network_security_group_id = azurerm_network_security_group.nsg.id
+}
+
+data "azurerm_virtual_network" "ad_vnet_data" {
+  name                = var.ad_vnet
+  resource_group_name = var.ad_rg
+}
+
+resource "azurerm_virtual_network_peering" "peer1" {
+  name                      = "peer_avd_ad"
+  resource_group_name       = var.rg_name
+  virtual_network_name      = azurerm_virtual_network.vnet.name
+  remote_virtual_network_id = data.azurerm_virtual_network.ad_vnet_data.id
+}
+resource "azurerm_virtual_network_peering" "peer2" {
+  name                      = "peer_ad_avd"
+  resource_group_name       = var.ad_rg
+  virtual_network_name      = var.ad_vnet
+  remote_virtual_network_id = azurerm_virtual_network.vnet.id
+}