Updates the explanation
Updates the explanation

Makes reference to the current JS files, and updates the link to the
proper section of the auth0/auth0-angular repo readme file.

Fixes https://github.com/auth0/docs/issues/700

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