fix: flattened variables for terraform

terraform/variables.tf

@@ -3,11 +3,17 @@ variable "region" {
   description = "The AWS region things are created in."
 }
 
-variable "gitea_boot" {
-  type = object({
-    bucket = string
-    key    = string
-    role   = string
-  })
-  description = "The storage for the Gitea instance."
+variable "boot_bucket" {
+  type = string
+  description = "The name of the bucket to store the boot in."
+}
+
+variable "boot_key" {
+  type = string
+  description = "The path that will hold the boot data."
+}
+
+variable "boot_role" {
+  type = string
+  description = "The name of the role for boot access."
 }