Address review and add content on authorization endpoint
Address review and add content on authorization endpoint

jeffreylees/docs,auth0/docs,jeffreylees/docs,khorne3/docs,sandrinodimattia/docs,auth0/docs,khorne3/docs,Annyv2/docs,khorne3/docs,sandrinodimattia/docs,hamzawi06/docs,Annyv2/docs,hamzawi06/docs,yvonnewilson/docs,sandrinodimattia/docs,yvonnewilson/docs,yvonnewilson/docs,jeffreylees/docs,Annyv2/docs,auth0/docs,hamzawi06/docs