Update README.rst for generating sample conf file
Update README.rst for generating sample conf file

Change-Id: Ifff6664242ed7d1b96555eb7fb2d1d26a87b5ffa

hpcloud-mon/tempest,rakeshmi/tempest,dkalashnik/tempest,masayukig/tempest,manasi24/jiocloud-tempest-qatempest,dkalashnik/tempest,sebrandon1/tempest,roopali8/tempest,bigswitch/tempest,izadorozhna/tempest,bigswitch/tempest,JioCloud/tempest,nunogt/tempest,Tesora/tesora-tempest,hayderimran7/tempest,openstack/tempest,manasi24/tempest,yamt/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,tonyli71/tempest,xbezdick/tempest,afaheem88/tempest,Juraci/tempest,tudorvio/tempest,akash1808/tempest,rzarzynski/tempest,neerja28/Tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,Juniper/tempest,Vaidyanath/tempest,alinbalutoiu/tempest,afaheem88/tempest_neutron,cisco-openstack/tempest,Lilywei123/tempest,pczerkas/tempest,rzarzynski/tempest,manasi24/jiocloud-tempest-qatempest,LIS/lis-tempest,alinbalutoiu/tempest,CiscoSystems/tempest,izadorozhna/tempest,roopali8/tempest,NexusIS/tempest,Vaidyanath/tempest,nunogt/tempest,vedujoshi/tempest,zsoltdudas/lis-tempest,rakeshmi/tempest,pczerkas/tempest,jaspreetw/tempest,jamielennox/tempest,danielmellado/tempest,ebagdasa/tempest,masayukig/tempest,varunarya10/tempest,Juniper/tempest,jaspreetw/tempest,eggmaster/tempest,hpcloud-mon/tempest,manasi24/tempest,flyingfish007/tempest,afaheem88/tempest,akash1808/tempest,eggmaster/tempest,danielmellado/tempest,afaheem88/tempest_neutron,JioCloud/tempest,neerja28/Tempest,NexusIS/tempest,flyingfish007/tempest,sebrandon1/tempest,pandeyop/tempest,cisco-openstack/tempest,varunarya10/tempest,pandeyop/tempest,Lilywei123/tempest,Tesora/tesora-tempest,CiscoSystems/tempest,LIS/lis-tempest,yamt/tempest,ebagdasa/tempest,xbezdick/tempest,jamielennox/tempest,tonyli71/tempest,vedujoshi/tempest,zsoltdudas/lis-tempest,tudorvio/tempest,openstack/tempest,Juraci/tempest,hayderimran7/tempest,redhat-cip/tempest,redhat-cip/tempest