Adds note about having mount.glusterfs available on nodes when using gk-deploy with the -g option
Adds note about having mount.glusterfs available on nodes when using gk-deploy with the -g option

Signed-off-by: dougbtv <c5e1ec12ebf1c610c7af6dbb35a7a3d5d7551cfd@redhat.com>

gluster/gluster-kubernetes,gluster/gluster-kubernetes