Added generated sample config to gitignore
Added generated sample config to gitignore

Change-Id: Ie289cb43a696ce3c3d41458f21cdc0e7062f74e1

NeCTAR-RC/murano,olivierlemasle/murano,satish-avninetworks/murano,openstack/murano,satish-avninetworks/murano,openstack/murano,olivierlemasle/murano,telefonicaid/murano,telefonicaid/murano,DavidPurcell/murano_temp,chenyujie/hybrid-murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,chenyujie/hybrid-murano,DavidPurcell/murano_temp,olivierlemasle/murano,satish-avninetworks/murano,NeCTAR-RC/murano,olivierlemasle/murano,sajuptpm/murano,NeCTAR-RC/murano,sajuptpm/murano,DavidPurcell/murano_temp,satish-avninetworks/murano