Fix linter, improve rabbit

service/variables.tf

@@ -8,7 +8,13 @@ variable "namespace" {
   type = string
 }
 variable "labels" {
-  type = map(string)
+  type        = map(string)
+  description = "Service labels"
+}
+variable "selector" {
+  type        = map(string)
+  description = "Service selector labels (default same as labels)"
+  default     = {}
 }
 variable "annotations" {
   type    = map(string)
@@ -33,6 +39,7 @@ variable "ip_family" {
 }
 
 variable "port_mapper" {
+  description = "List information for port mapping in the service"
   type = list(object({
     name     = optional(string)
     port     = number