Adding guidance on software installation
Adding guidance on software installation

Change-Id: Ia415dd7971e94b866c31648dd821df738dd3bba3

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