Adding rancher role

In kubernetes cluster configuration we still use rancher tool,
this ansible role is providing handling for both rancher server
and agent.

Change-Id: I508a42a98902788b940b06cf95009a899c50a3b8
Issue-ID: OOM-1551
Signed-off-by: Michal Ptacek <m.ptacek@partner.samsung.com>
diff --git a/ansible/roles/rancher/tasks/main.yml b/ansible/roles/rancher/tasks/main.yml
new file mode 100644
index 0000000..1370a39
--- /dev/null
+++ b/ansible/roles/rancher/tasks/main.yml
@@ -0,0 +1,2 @@
+---
+- include_tasks: "rancher_{{ rancher_role }}.yml"