Add MultiCloud Kubernetes documentation

This change includes the multicloud/k8s plugin as git submodule.
This prevents the not found errors during the execution of Jenkins
documentation jobs.

Change-Id: I3a376abef825ed25547c51b9ec399698c109558d
Signed-off-by: Victor Morales <victor.morales@intel.com>
Issue-ID: MULTICLOUD-301
2 files changed