updated create_db.py to also create the student and admin roles after dropping all tables
updated create_db.py to also create the student and admin roles after dropping all tables

RyanBeatty/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,RyanBeatty/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,RyanBeatty/Steer-Clear-Backend