updated terraform files

variables.tf

@@ -0,0 +1,32 @@
+variable "subscription_id" {
+  description = "The Azure subscription ID to deploy resources into."
+  type        = string
+}
+
+variable "location" {
+  description = "Azure region to deploy resources in."
+  type        = string
+  default     = "centralus"
+}
+
+variable "vm_admin_username" {
+  description = "Admin username for all VMs."
+  type        = string
+  default     = "lenape"
+}
+
+variable "key_vault_name" {
+  description = "Name of the Azure Key Vault."
+  type        = string
+  default     = "Kimi"
+}
+
+variable "tenant_domain" {
+  description = "Tenant domain for creating AAD users (e.g., example.onmicrosoft.com)."
+  type        = string
+}
+
+variable "admin_email" {
+  description = "Admin email to receive budget alert notifications."
+  type        = string
+}