Added doc update for attached_load_balancer_pool_members in is_lb

Author: uibm

website/docs/r/is_lb.html.markdown

@@ -113,6 +113,13 @@ Review the argument references that you can specify for your resource.
 In addition to all argument reference list, you can access the following attribute reference after your resource is created.
 
 - `access_mode` - (String) The access mode for this load balancer. One of **private**, **public**, **private_path**.
+- `attached_load_balancer_pool_members` - (List) The load balancer pool members attached to this load balancer.
+	Nested scheme for `members`:
+	- `deleted` - (List) If present, this property indicates the referenced resource has been deleted and providessome supplementary information.
+		Nested scheme for `deleted`:
+    	- `more_info` - (String) Link to documentation about deleted resources.
+    - `href` - (String) The URL for this load balancer pool member.
+    - `id` - (String) The unique identifier for this load balancer pool member.
 - `availability` - (String) The availability of this load balancer
 - `crn` - (String) The CRN for this load balancer.
 - `hostname` - (String) The fully qualified domain name assigned to this load balancer.