Add metadata for Octavia manager

Change-Id: I66e6992c4413aebb16b12648849efe144e497382
diff --git a/octavia/manager/single.yml b/octavia/manager/single.yml
new file mode 100644
index 0000000..a7bc7a9
--- /dev/null
+++ b/octavia/manager/single.yml
@@ -0,0 +1,7 @@
+classes:
+- service.octavia.manager.single
+parameters:
+  octavia:
+    manager:
+      enabled: true
+      version: ${_param:octavia_version}