Add article on APIv1 use cases
Add article on APIv1 use cases

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