[ANSIBLE] Add 'nfs' playbook

NFS server and mount is extracted into its own playbook. It has to
be provisioned before kube-prometheus stack.

Change-Id: I98942db4bcd7b16565d27f13d9a034b987467a61
Issue-ID: INT-1926
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
3 files changed