Update Middleware.hs
Update Middleware.hs

uncomment AddHeaders
ajnsit/keter,ajnsit/keter,tolysz/keter,creichert/keter,mwotton/keter,tolysz/keter,bermanjosh/keter,snoyberg/keter,creichert/keter,snoyberg/keter,mwotton/keter,bermanjosh/keter,andrewthad/keter,telser/keter,telser/keter,andrewthad/keter