feature: add gpu node autoscaling support for all modules (terraform-…

…google-modules#807)

* fix example/node_pool formatting error

examples/node_pool/README.md

@@ -7,7 +7,7 @@ This example illustrates how to create a cluster with multiple custom node-pool
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| cluster\_autoscaling | Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling) | <pre>object({<br>    enabled             = bool<br>    autoscaling_profile = string<br>    min_cpu_cores       = number<br>    max_cpu_cores       = number<br>    min_memory_gb       = number<br>    max_memory_gb       = number<br>  })</pre> | <pre>{<br>  "autoscaling_profile": "BALANCED",<br>  "enabled": false,<br>  "max_cpu_cores": 0,<br>  "max_memory_gb": 0,<br>  "min_cpu_cores": 0,<br>  "min_memory_gb": 0<br>}</pre> | no |
+| cluster\_autoscaling | Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling) | <pre>object({<br>    enabled             = bool<br>    autoscaling_profile = string<br>    min_cpu_cores       = number<br>    max_cpu_cores       = number<br>    min_memory_gb       = number<br>    max_memory_gb       = number<br>    gpu_resources       = list(object({<br>      resource_type = string<br>      minimum       = number<br>      maximum       = number<br>    }))<br>  })</pre> | <pre>{<br>  "autoscaling_profile": "BALANCED",<br>  "enabled": false,<br>  "gpu_resources": [],<br>  "max_cpu_cores": 0,<br>  "max_memory_gb": 0,<br>  "min_cpu_cores": 0,<br>  "min_memory_gb": 0<br>}</pre> | no |
 | cluster\_name\_suffix | A suffix to append to the default cluster name | `string` | `""` | no |
 | compute\_engine\_service\_account | Service account to associate to the nodes in the cluster | `any` | n/a | yes |
 | ip\_range\_pods | The secondary ip range to use for pods | `any` | n/a | yes |

examples/node_pool/variables.tf

@@ -60,7 +60,7 @@ variable "cluster_autoscaling" {
     max_cpu_cores       = number
     min_memory_gb       = number
     max_memory_gb       = number
-    gpu_resources       = list(object({
+    gpu_resources = list(object({
       resource_type = string
       minimum       = number
       maximum       = number