Adds section to Object Storage about CLIs and utils
Adds section to Object Storage about CLIs and utils

- swift, swift-init, swift-recon, swift-ring-builder

Change-Id: I7838d379fb77adf2f17acd5d920cb33dde6450a6
Partial-bug: 1238668

gongysh2004/openstack-manual,Akasurde/openstack-manuals,kairoaraujo/openstack-manuals,Akasurde/openstack-manuals,kairoaraujo/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,saeki-masaki/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,potsmaster/openstack-manuals,gongysh2004/openstack-manual,openstack/openstack-manuals