fix typo in README.md
fix typo in README.md

in the README path to log file was pointing to /path/to/app/config/log/puma.log instead of /path/to/app/log/puma.log
wallclockbuilder/puma,zapnap/puma,puma/puma,nathansamson/puma,zBMNForks/puma,zapnap/puma,eileencodes/puma,wallclockbuilder/puma,jc00ke/puma,snow/puma,unleashed/puma,costi/puma,eileencodes/puma,kyledrake/puma,looker/puma,respire/puma,ngpestelos/puma,respire/puma,wallclockbuilder/puma,respire/puma,zBMNForks/puma,ngpestelos/puma,BenV/puma,prathamesh-sonpatki/puma,BenV/puma,jbmyid/puma,matthewd/puma,zBMNForks/puma,BenV/puma,arturocadena/puma,snow/puma,matthewd/puma,nathansamson/puma,matthewd/puma,BenV/puma,prathamesh-sonpatki/puma,costi/puma,looker/puma,eileencodes/puma,costi/puma,respire/puma,zapnap/puma,nathansamson/puma,arturocadena/puma,eileencodes/puma,jbmyid/puma,unleashed/puma,kyledrake/puma,kyledrake/puma,prathamesh-sonpatki/puma,ngpestelos/puma,jc00ke/puma,snow/puma,costi/puma,zBMNForks/puma,unleashed/puma,zapnap/puma,wallclockbuilder/puma,tuvistavie/puma,jc00ke/puma,looker/puma,jbmyid/puma,puma/puma,jbmyid/puma,tuvistavie/puma,prathamesh-sonpatki/puma,tuvistavie/puma,puma/puma,ngpestelos/puma,jc00ke/puma,arturocadena/puma,kyledrake/puma,snow/puma,looker/puma,arturocadena/puma,matthewd/puma,puma/puma,tuvistavie/puma,nathansamson/puma,unleashed/puma