docs add lvm bluestore examples
docs add lvm bluestore examples

Signed-off-by: Alfredo Deza <3f4d00ffa77e6441ab2d23c25a618925d2383b02@redhat.com>

font/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible,ceph/ceph-ansible,ceph/ceph-ansible,travmi/ceph-ansible,font/ceph-ansible,fgal/ceph-ansible