new folder for anf option, edits to variables

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

@@ -0,0 +1,14 @@
+resource "azurerm_resource_group" "log" {
+  name     = "${var.shared}-resources"
+  location = var.deploy_location
+}
+
+# Creates Log Anaylytics Workspace
+# https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/log_analytics_workspace
+resource "azurerm_log_analytics_workspace" "law" {
+  name                = "log${random_string.random.id}"
+  location            = azurerm_resource_group.log.location
+  resource_group_name = azurerm_resource_group.log.name
+  sku                 = "PerGB2018"
+  retention_in_days   = 30
+}