Change developer setup instructions (#158)
Change developer setup instructions (#158)

- Added info about applying migrations
haraldnagel/greatreadingadventure,MCLD/greatreadingadventure,iafb/gra4,MCLD/greatreadingadventure,MCLD/greatreadingadventure,haraldnagel/greatreadingadventure,MCLD/gra4,MCLD/gra4,iafb/gra4,haraldnagel/greatreadingadventure,haraldnagel/greatreadingadventure,haraldnagel/gra4,justinmeiners/gra4,MCLD/greatreadingadventure,haraldnagel/gra4,MCLD/greatreadingadventure,justinmeiners/gra4