Update outputs.tf (#9)

Author: apoorva-marisomaradhya

example/asg-dns-agent/outputs.tf

@@ -1,11 +1,14 @@
 output "asg_name" {
+  description = "The name of the autoscaling group"
   value = "${aws_launch_configuration.test.id}"
 }
 
 output "vpc_internal_dns_id" {
+  description = "ID of the internal dns hosted zone"
   value = "${aws_route53_zone.test.id}"
 }
 
 output "vpc_internal_dns_name" {
+  description = "The name of the dns hosted zone"
   value = "${aws_route53_zone.test.name}"
 }