add ingress and egress rules in outputs (#483)

Author: rjsab

modules/firewall-rules/README.md

@@ -51,6 +51,7 @@ module "firewall_rules" {
 | Name | Description |
 |------|-------------|
 | firewall\_rules | The created firewall rule resources |
+| firewall\_rules\_ingress\_egress | The created firewall ingress/egress rule resources |
 
 <!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
 

modules/firewall-rules/outputs.tf

@@ -18,3 +18,8 @@ output "firewall_rules" {
   value       = google_compute_firewall.rules
   description = "The created firewall rule resources"
 }
+
+output "firewall_rules_ingress_egress" {
+  value       = google_compute_firewall.rules_ingress_egress
+  description = "The created firewall ingress/egress rule resources"
+}