feat(infrastructure): add cloudflare, argocd

tofu/modules/maxscale/variables.tf

@@ -50,3 +50,9 @@ variable "mariadb_user_password" {
   type        = string
   sensitive   = true
 }
+
+variable "cloudflare_domain" {
+  type = string
+  default = "Base cloudflare domain, e.g. example.com"
+  nullable = false
+}