Add copyright range to README.md
Add copyright range to README.md

fulcrum-agile/fulcrum,MikeRuby/fulcrumapp,KentFujii/fulcrum,privatt/privatt-agile-tracker,Codeminer42/cm42-central,Codeminer42/cm42-central,jimbeaudoin/agile-tracker,Aupajo/fulcrum,HenryYan2012/fulcrum,ipmobiletech/fulcrum,nh-platform/demo-fulcrum,PedroFelipe/cm42-central,PedroFelipe/cm42-central,Aupajo/fulcrum,fulcrum-agile/fulcrum,jimbeaudoin/agile-tracker,jimbeaudoin/agile-tracker,HenryYan2012/fulcrum,DrTom/fulcrum,PedroFelipe/cm42-central,privatt/privatt-agile-tracker,privatt/privatt-agile-tracker,ipmobiletech/fulcrum,fulcrum-agile/fulcrum,nh-platform/demo-fulcrum,MikeRuby/fulcrumapp,DrTom/fulcrum,Codeminer42/cm42-central,Aupajo/fulcrum,DrTom/fulcrum,KentFujii/fulcrum,ipmobiletech/fulcrum,KentFujii/fulcrum,nh-platform/demo-fulcrum,HenryYan2012/fulcrum