feat(dns): setup cloudflared tunnel and DNS records

cloudflare/dns/variables.tf

@@ -0,0 +1,20 @@
+variable "cloudflare_zone_id" {
+  description = "Cloudflare Zone ID"
+  type        = string
+  sensitive   = true
+}
+
+variable "cloudflare_tunnel_id" {
+  description = "Cloudflare Zone ID"
+  type        = string
+  sensitive   = true
+}
+
+variable "services" {
+  description = "Services to expose to the outside world"
+  type = map(object({
+    subdomain = string
+    service   = string
+    policy    = string
+  }))
+}