refactor: Refactoring to match the rest of terraform-aws-modules (#1583)

examples/_bootstrap/outputs.tf

@@ -0,0 +1,14 @@
+output "region" {
+  description = "AWS region"
+  value       = local.region
+}
+
+output "cluster_name" {
+  description = "Name of EKS Cluster used in tags for subnets"
+  value       = local.cluster_name
+}
+
+output "vpc" {
+  description = "Complete output of VPC module"
+  value       = module.vpc
+}