Update 01-login.md
Update 01-login.md

If you don´t set LaunchMode.SingleTask, the system will create a new instance of the activity
jeffreylees/docs,auth0/docs,jeffreylees/docs,yvonnewilson/docs,auth0/docs,jeffreylees/docs,yvonnewilson/docs,yvonnewilson/docs,auth0/docs