Update emberjs.md
Update emberjs.md

1. Fixed the call to scaffold.
2. Fixed authorizer call to jwt
hamzawi06/docs,Catografix/docs,Annyv2/docs,jeffreylees/docs,khorne3/docs,khorne3/docs,khorne3/docs,jeffreylees/docs,sandrinodimattia/docs,auth0/docs,auth0/docs,sandrinodimattia/docs,Annyv2/docs,jeffreylees/docs,hamzawi06/docs,hamzawi06/docs,miparnisari/docs,Catografix/docs,Catografix/docs,yvonnewilson/docs,sandrinodimattia/docs,auth0/docs,Annyv2/docs,yvonnewilson/docs,yvonnewilson/docs