Add Support for Google source repos (hashicorp#256)

Author: alex1x

docs/r/sourcerepos_repository.html.markdown

@@ -0,0 +1,40 @@
+---
+layout: "google"
+page_title: "Google: google_sourcerepo_repository"
+sidebar_current: "docs-google-sourcerepo_repository"
+description: |-
+  Manages repositories within Google Cloud Source Repositories.
+---
+
+# google\_sourcerepo\_repository
+
+For more information, see [the official
+documentation](https://cloud.google.com/compute/docs/source-repositories) and
+[API](https://cloud.google.com/source-repositories/docs/reference/rest/v1/projects.repos)
+
+## Example Usage
+
+This example is the common case of creating a repository within Google Cloud Source Repositories:
+
+```hcl
+resource "google_sourcerepo_repository" "frontend" {
+  name = "frontend"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `name` - (Required) The name of the repository that will be created.
+
+- - -
+
+* `project` - (Optional) The project in which the resource belongs. If it
+    is not provided, the provider project is used.
+
+## Attributes Reference
+
+The following attribute is exported:
+
+* `size` - The size of the repository.

google.erb

@@ -185,11 +185,11 @@
       <li<%= sidebar_current("docs-google-compute-router-peer") %>>
       <a href="/docs/providers/google/r/compute_router_peer.html">google_compute_router_peer</a>
       </li>
-    
+
       <li<%= sidebar_current("docs-google-compute-snapshot") %>>
 			<a href="/docs/providers/google/r/compute_snapshot.html">google_compute_snapshot</a>
 			</li>
-    
+
       <li<%= sidebar_current("docs-google-compute-ssl-certificate") %>>
       <a href="/docs/providers/google/r/compute_ssl_certificate.html">google_compute_ssl_certificate</a>
       </li>
@@ -263,6 +263,15 @@
     </ul>
     </li>
 
+    <li<%= sidebar_current("docs-google-sourcerepo") %>>
+    <a href="#">Google Source Repositories Resources</a>
+    <ul class="nav nav-visible">
+      <li<%= sidebar_current("docs-google-sourcerepo-repository") %>>
+      <a href="/docs/providers/google/r/sourcerepo-repository.html">google_sourcerepo_repository</a>
+      </li>
+    </ul>
+    </li>
+
     <li<%= sidebar_current("docs-google-sql") %>>
     <a href="#">Google SQL Resources</a>
     <ul class="nav nav-visible">