reorganize firewall rules to make it more obvious what has changed

modules/hetzner/kubernetes/variables.tf

@@ -23,7 +23,22 @@ variable "agents" {
   }))
 }
 
-variable "development_ips" {
-  type    = list(string)
+variable "ping_enabled" {
+  type = bool
+  default = true
+}
+
+variable "public_tcp_services" {
+  type = map(list(string))
+  default = {}
+}
+
+variable "kubernetes_exposed_ips" {
+  type = list(string)
+  default = []
+}
+
+variable "ssh_exposed_ips" {
+  type = list(string)
   default = []
 }