mention using several env vars for one setting in README
mention using several env vars for one setting in README

leakingtapan/config,twitter-forks/config,Rhinofly/config-ordered,Applied-Duality/config,roznalex/config,rmuhamedgaliev/config,zeq9069/config,shrutig/config,twitter-forks/config,melrief/config,rmuhamedgaliev/config,melrief/config,typesafehub/config,Kaliber/config-ordered,yvvq/config,fpringvaldsen/config,Rhinofly/config-ordered,cprice404/config,roznalex/config,yvvq/config,cprice404/config,chris-martin/hocon-python,Kaliber/config-ordered,meln1k/config,meln1k/config,shrutig/config,wmudge/config,zeq9069/config,Applied-Duality/config,leakingtapan/config,jasonchaffee/config,chris-martin/hocon-python,typesafehub/config,wmudge/config,jasonchaffee/config,malexandert/config,fpringvaldsen/config,malexandert/config