chore: added newline

Author: pawan1210

modules/frontend/variables.tf

@@ -203,4 +203,4 @@ variable "internal_forwarding_rule_subnetworks" {
   description = "List of fully-qualified subnetwork IDs (e.g., projects/my-project/regions/us-central1/subnetworks/my-subnet)."
   type        = list(string)
   default     = []
-}
+}