Update readme with brief description
Update readme with brief description

hhkaos/developer-support,hhkaos/developer-support,Esri/developer-support,Esri/developer-support,hhkaos/developer-support,Esri/developer-support,hhkaos/developer-support,hhkaos/developer-support,Esri/developer-support,Esri/developer-support,Esri/developer-support,Esri/developer-support,hhkaos/developer-support,hhkaos/developer-support,Esri/developer-support,Esri/developer-support,Esri/developer-support,Esri/developer-support,Esri/developer-support,hhkaos/developer-support,hhkaos/developer-support,hhkaos/developer-support,hhkaos/developer-support,Esri/developer-support