User Story 89540 (#231)

* Fixing Windows VM cluster article code

quickstart/101-vm-cluster-windows/variables.tf

@@ -0,0 +1,11 @@
+variable "resource_group_location" {
+  type        = string
+  default     = "eastus"
+  description = "Location for all resources."
+}
+
+variable "resource_group_name_prefix" {
+  type        = string
+  default     = "rg"
+  description = "Prefix of the resource group name that's combined with a random value so name is unique in your Azure subscription."
+}