Added defaults and feature expiry

site/content/en/docs/Installation/Terraform/gke.md

@@ -86,8 +86,14 @@ Configurable parameters:
 - machine_type - machine type for hosting game servers (default is "e2-standard-4")
 - node_count - count of game server nodes for the default node pool (default is "4") 
 - enable_image_streaming - whether or not to enable image streaming for the `"default"` node pool (default is true) 
+{{% feature expiryVersion="1.28" %}}
 - zone - the name of the [zone](https://cloud.google.com/compute/docs/regions-zones) you want your cluster to be
   created in (default is "us-west1-c")
+{{% /feature %}}
+{{% feature publishVersion="1.28" %}}
+- zone - (Deprecated, use location) the name of the [zone](https://cloud.google.com/compute/docs/regions-zones) you want your cluster to be
+  created in (default is "us-west1-c")
+{{% /feature %}}
 - network - the name of the VPC network you want your cluster and firewall rules to be connected to (default is "default")
 - subnetwork - the name of the subnetwork in which the cluster's instances are launched. (required when using non default network)
 - log_level - possible values: Fatal, Error, Warn, Info, Debug (default is "info")
@@ -97,12 +103,10 @@ Configurable parameters:
 - gameserver_namespaces - a list of namespaces which will be used to run gameservers (default is `["default"]`). For example `["default", "xbox-gameservers", "mobile-gameservers"]`
 - force_update - whether or not to force the replacement/update of resource (default is true, false may be required to prevent immutability errors when updating the configuration)
 {{% feature publishVersion="1.28" %}}
-- location - the name of the [location](https://cloud.google.com/compute/docs/regions-zones) you want your cluster  to eb created in
-- autoscale - whether you want to enable autoscale for the gameserver nodepool
-- min_node_count - the minimum number of nodes for a nodepool when autoscale is
-  enabled
-- max_node_count - the maximum number of nodes for a nodepool when autoscale is
-  enabled
+- location - the name of the [location](https://cloud.google.com/compute/docs/regions-zones) you want your cluster  to eb created in (default is "us-west1-c")
+- autoscale - whether you want to enable autoscale for the gameserver nodepool (default is false)
+- min_node_count - the minimum number of nodes for a nodepool when autoscale is enabled (default is "1")
+- max_node_count - the maximum number of nodes for a nodepool when autoscale is enabled (default is "5")
 {{% /feature %}}
 
 {{% alert title="Warning" color="warning"%}}