Merge pull request #1169 from brendandburns/docs

Add documentation for client libraries

docs/client-libraries.md

@@ -0,0 +1,11 @@
+## kubernetes API client libraries
+
+### Supported
+   * [Go](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/pkg/client)
+
+### User Contributed
+*Note: Libraries provided by outside parties are supported by their authors, not the core Kubernetes team*
+
+   * [Java](https://github.com/nirmal070125/KubernetesAPIJavaClient)
+   * [Ruby](https://github.com/Ch00k/kuber)
+