Now user can add the description when user create's the role using OSC
``openstack role create`` command. User can add the description by adding
`--description <Description>` to OSC ``openstack role create`` command.
Co-Authored-By: Deepak Mourya<deepakmoriya7@gmail.com>
Change-Id: I858e004c3b29c687b6a39c8a1ed5fb029eb19c67
Depends-on: I230af9cc833af13064636b5d9a7ce6334c3f6e9a
Closes-Bug: #1669080