Add manila.client system metadata

This patch adds manila client metadata with ability to create
share_types.

Also extend keystone.client system metadata to create os-client-config
for root user.

Change-Id: Ieb90b04e16c0decdd2a720257fd025f23e4d8293
Related-Prod: PROD-18221
diff --git a/manila/client/init.yml b/manila/client/init.yml
new file mode 100644
index 0000000..2fdadfd
--- /dev/null
+++ b/manila/client/init.yml
@@ -0,0 +1,4 @@
+classes:
+- service.manila.client
+- system.keystone.client.os_client_config.admin_identity
+- system.manila.client.share_type