Add accelerators workstation config resource (#8490) (#15363)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/8490.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+workstations: added `accelerators` field to `google_workstations_workstation_config` resource(beta)
+```

website/docs/r/workstations_workstation_config.html.markdown

@@ -337,6 +337,64 @@ resource "google_workstations_workstation_config" "default" {
   }
 }
 ```
+<div class = "oics-button" style="float: right; margin: 0 0 -15px">
+  <a href="https://console.cloud.google.com/cloudshell/open?cloudshell_git_repo=https%3A%2F%2Fgithub.jpy.wang%2Fterraform-google-modules%2Fdocs-examples.git&cloudshell_working_dir=workstation_config_accelerators&cloudshell_image=gcr.io%2Fgraphite-cloud-shell-images%2Fterraform%3Alatest&open_in_editor=main.tf&cloudshell_print=.%2Fmotd&cloudshell_tutorial=.%2Ftutorial.md" target="_blank">
+    <img alt="Open in Cloud Shell" src="//gstatic.com/cloudssh/images/open-btn.svg" style="max-height: 44px; margin: 32px auto; max-width: 100%;">
+  </a>
+</div>
+## Example Usage - Workstation Config Accelerators
+
+
+```hcl
+resource "google_compute_network" "default" {
+  provider                = google-beta
+  name                    = "workstation-cluster"
+  auto_create_subnetworks = false
+}
+
+resource "google_compute_subnetwork" "default" {
+  provider      = google-beta
+  name          = "workstation-cluster"
+  ip_cidr_range = "10.0.0.0/24"
+  region        = "us-central1"
+  network       = google_compute_network.default.name
+}
+
+resource "google_workstations_workstation_cluster" "default" {
+  provider               = google-beta
+  workstation_cluster_id = "workstation-cluster"
+  network                = google_compute_network.default.id
+  subnetwork             = google_compute_subnetwork.default.id
+  location               = "us-central1"
+  
+  labels = {
+    "label" = "key"
+  }
+
+  annotations = {
+    label-one = "value-one"
+  }
+}
+
+resource "google_workstations_workstation_config" "default" {
+  provider               = google-beta
+  workstation_config_id  = "workstation-config"
+  workstation_cluster_id = google_workstations_workstation_cluster.default.workstation_cluster_id
+  location               = "us-central1"
+
+  host {
+    gce_instance {
+      machine_type                = "n1-standard-2"
+      boot_disk_size_gb           = 35
+      disable_public_ip_addresses = true
+      accelerators {
+        type  = "nvidia-tesla-p100"
+        count = "1"
+      }
+    }
+  }
+}
+```
 <div class = "oics-button" style="float: right; margin: 0 0 -15px">
   <a href="https://console.cloud.google.com/cloudshell/open?cloudshell_git_repo=https%3A%2F%2Fgithub.jpy.wang%2Fterraform-google-modules%2Fdocs-examples.git&cloudshell_working_dir=workstation_config_encryption_key&cloudshell_image=gcr.io%2Fgraphite-cloud-shell-images%2Fterraform%3Alatest&open_in_editor=main.tf&cloudshell_print=.%2Fmotd&cloudshell_tutorial=.%2Ftutorial.md" target="_blank">
     <img alt="Open in Cloud Shell" src="//gstatic.com/cloudssh/images/open-btn.svg" style="max-height: 44px; margin: 32px auto; max-width: 100%;">
@@ -540,6 +598,11 @@ The following arguments are supported:
   A set of Compute Engine Confidential VM instance options.
   Structure is [documented below](#nested_confidential_instance_config).
 
+* `accelerators` -
+  (Optional)
+  An accelerator card attached to the instance.
+  Structure is [documented below](#nested_accelerators).
+
 
 <a name="nested_shielded_instance_config"></a>The `shielded_instance_config` block supports:
 
@@ -561,6 +624,16 @@ The following arguments are supported:
   (Optional)
   Whether the instance has confidential compute enabled.
 
+<a name="nested_accelerators"></a>The `accelerators` block supports:
+
+* `type` -
+  (Required)
+  Type of accelerator resource to attach to the instance, for example, "nvidia-tesla-p100".
+
+* `count` -
+  (Required)
+  Number of accelerator cards exposed to the instance.
+
 <a name="nested_persistent_directories"></a>The `persistent_directories` block supports:
 
 * `mount_path` -