Updated output variables (#12)

* Updated output to explicitly-state username, and VPC ID.

Co-authored-by: Vidyasagar Machupalli <[email protected]>

outputs.tf

@@ -18,9 +18,18 @@ output "vision_url" {
   description = "IBM Visual Insights URL"
 }
 
+output "vision_username" {
+  value = "admin" # The admin always exists on first startup for trial editions of the application, so we hard-code it here for convenience of the user.
+  description = "IBM Visual Insights username"
+}
 output "vision_password" {
   value = "${random_password.vision_password.result}"
-  description = "IBM Visual Insights 'admin' password"
+  description = "IBM Visual Insights password"
+}
+
+output "vpc_id" {
+  value = "${ibm_is_vpc.vpc.id}"
+  description = "ID of the VPC created for this application"
 }
 
 output "vision_debug_key" {