Add README for cinder puppet resource
Add README for cinder puppet resource

Signed-off-by: Bogdan Dobrelya <0b23cd1e586d5f091fecb3391314c2b9ec1fd641@mirantis.com>

zen/solar,Mirantis/solar,Mirantis/solar,CGenie/solar,Mirantis/solar,loles/solar,dshulyak/solar,zen/solar,zen/solar,zen/solar,dshulyak/solar,loles/solar,loles/solar,torgartor21/solar,openstack/solar,pigmej/solar,Mirantis/solar,torgartor21/solar,openstack/solar,loles/solar,pigmej/solar,CGenie/solar,openstack/solar,pigmej/solar