Update controllers.md (#4141)
Update controllers.md (#4141)


0x00evil/phoenix,rafbgarcia/phoenix,nshafer/phoenix,nshafer/phoenix,phoenixframework/phoenix,nshafer/phoenix,rafbgarcia/phoenix,phoenixframework/phoenix,optikfluffel/phoenix,phoenixframework/phoenix,eksperimental/phoenix,0x00evil/phoenix,0x00evil/phoenix,optikfluffel/phoenix,rafbgarcia/phoenix,optikfluffel/phoenix,eksperimental/phoenix