Flytte endepunkter av bruker registrering og login til sin egen kontroller `authenticationController`

Modularisere autentisering route/endepunkter til sin egen authenticationController for en ryddigere og mer organisert kodestruktur

added Opprette profil label

changed title from Move routers of user creation and user reading by username and password to its own authenticationController to {+Flytte endepunkter av bruker registrering og login til sin egen kontroller authenticationController+}

changed the description

added To Do label

added Doing label and removed To Do label

mentioned in commit c130e249

assigned to @jonnynl

added Awaiting reviews label and removed Doing label

mentioned in merge request !14 (merged)

mentioned in commit 3dc3322a

closed with merge request !14 (merged)