added sample url regex for coupon summary
added sample url regex for coupon summary

lsgunth/rapidsms,ehealthafrica-ci/rapidsms,ken-muturi/rapidsms,catalpainternational/rapidsms,dimagi/rapidsms,peterayeni/rapidsms,lsgunth/rapidsms,eHealthAfrica/rapidsms,peterayeni/rapidsms,eHealthAfrica/rapidsms,unicefuganda/edtrac,lsgunth/rapidsms,ehealthafrica-ci/rapidsms,ken-muturi/rapidsms,ken-muturi/rapidsms,unicefuganda/edtrac,catalpainternational/rapidsms,lsgunth/rapidsms,caktus/rapidsms,caktus/rapidsms,eHealthAfrica/rapidsms,unicefuganda/edtrac,catalpainternational/rapidsms,dimagi/rapidsms,ehealthafrica-ci/rapidsms,caktus/rapidsms,peterayeni/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms