azfw quickstarts (#245)

* adding azfw quickstarts

quickstart/201-azfw-with-secure-hub/variables.tf

@@ -0,0 +1,27 @@
+variable "resource_group_location" {
+  type        = string
+  description = "Location for all resources."
+  default     = "eastus"
+}
+
+variable "resource_group_name_prefix" {
+  type = string
+  description = "Prefix for the Resource Group Name that's combined with a random id so name is unique in your Azure subcription."  
+  default = "rg"
+}
+
+variable "firewall_sku_name" {
+  type        = string
+  description = "SKU name for the firewall."
+  default     = "Premium" # Valid values are Standard and Premium
+}
+
+variable "virtual_machine_size" {
+  type        = string
+  description = "Size of the virtual machine."
+  default     = "Standard_D2_v3"
+}
+
+variable "admin_username" {
+  default = "azureuser"
+}