Add links to official docs across compute Terraform Google Provider docs (#264)

website/docs/r/compute_backend_bucket.html.markdown

@@ -9,7 +9,10 @@ description: |-
 # google\_compute\_backend\_bucket
 
 A Backend Bucket defines a Google Cloud Storage bucket that will serve traffic through Google Cloud
-Load Balancer.
+Load Balancer. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/load-balancing/http/backend-bucket)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/backendBuckets).
 
 ## Example Usage
 

website/docs/r/compute_disk.html.markdown

@@ -8,7 +8,10 @@ description: |-
 
 # google\_compute\_disk
 
-Creates a new persistent disk within GCE, based on another disk.
+Creates a new persistent disk within GCE, based on another disk. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/disks/add-persistent-disk)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/disks).
 
 ~> **Note:** All arguments including the disk encryption key will be stored in the raw state as plain-text.
 [Read more about sensitive data in state](/docs/state/sensitive-data.html).

website/docs/r/compute_firewall.html.markdown

@@ -8,7 +8,10 @@ description: |-
 
 # google\_compute\_firewall
 
-Manages a firewall resource within GCE.
+Manages a firewall resource within GCE. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/vpc/firewalls)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/firewalls).
 
 ## Example Usage
 

website/docs/r/compute_network.html.markdown

@@ -8,7 +8,10 @@ description: |-
 
 # google\_compute\_network
 
-Manages a network within GCE.
+Manages a network within GCE. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/vpc)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/networks).
 
 ## Example Usage
 

website/docs/r/compute_project_metadata.html.markdown

@@ -8,9 +8,13 @@ description: |-
 
 # google\_compute\_project\_metadata
 
-Manages metadata common to all instances for a project in GCE. If you
+Manages metadata common to all instances for a project in GCE. For more information see
-want to manage only single key/value pairs within the project metadata
+[the official documentation](https://cloud.google.com/compute/docs/storing-retrieving-metadata)
-rather than the entire set, then use
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/projects/setCommonInstanceMetadata).
+
+~> **Note:**  If you want to manage only single key/value pairs within the project metadata 
+rather than the entire set, then use 
 [google_compute_project_metadata_item](compute_project_metadata_item.html).
 
 ## Example Usage

website/docs/r/compute_route.html.markdown

@@ -8,7 +8,10 @@ description: |-
 
 # google\_compute\_route
 
-Manages a network route within GCE.
+Manages a network route within GCE. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/vpc/routes)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/routes).
 
 ## Example Usage
 

website/docs/r/compute_router.html.markdown

@@ -8,8 +8,10 @@ description: |-
 
 # google\_compute\_router
 
-Manages a Cloud Router resource. For more info, read the
+Manages a Cloud Router resource. For more information see
-[documentation](https://cloud.google.com/compute/docs/cloudrouter).
+[the official documentation](https://cloud.google.com/compute/docs/cloudrouter)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/routers).
 
 ## Example Usage
 

website/docs/r/compute_router_interface.html.markdown

@@ -8,8 +8,10 @@ description: |-
 
 # google\_compute\_router_interface
 
-Manages a Cloud Router interface. For more info, read the
+Manages a Cloud Router interface. For more information see
-[documentation](https://cloud.google.com/compute/docs/cloudrouter).
+[the official documentation](https://cloud.google.com/compute/docs/cloudrouter)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/routers).
 
 ## Example Usage
 

website/docs/r/compute_router_peer.html.markdown

@@ -8,8 +8,10 @@ description: |-
 
 # google\_compute\_router
 
-Manages a Cloud Router BGP peer. For more info, read the
+Manages a Cloud Router BGP peer. For more information see
-[documentation](https://cloud.google.com/compute/docs/cloudrouter).
+[the official documentation](https://cloud.google.com/compute/docs/cloudrouter)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/routers).
 
 ## Example Usage
 

website/docs/r/compute_snapshot.html.markdown

@@ -8,7 +8,10 @@ description: |-
 
 # google\_compute\_snapshot
 
-Creates a new snapshot of a disk within GCE.
+Creates a new snapshot of a disk within GCE. For more information see
+[the official documentation](https://cloud.google.com/compute/docs/disks/create-snapshots)
+and
+[API](https://cloud.google.com/compute/docs/reference/latest/snapshots).
 
 ## Example Usage
 

website/docs/r/container_cluster.html.markdown

@@ -8,6 +8,11 @@ description: |-
 
 # google\_container\_cluster
 
+Creates a GKE cluster. For more information see
+[the official documentation](https://cloud.google.com/container-engine/docs/clusters)
+and
+[API](https://cloud.google.com/container-engine/reference/rest/v1/projects.zones.clusters).
+
 !> **Warning:** Due to limitations of the API, all arguments except
 `node_version` are non-updateable. Changing any will cause recreation of the
 whole cluster!