[Murano docs] Publish CLI section
[Murano docs] Publish CLI section

Adds the Using CLI section to Index.

Change-Id: Idb94b06963280760956f2618f2c733f2b9e0c0f6

DavidPurcell/murano_temp,openstack/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,openstack/murano,DavidPurcell/murano_temp