PP-60 handle status registrasi tutor
Changes:
- Add new component: TutorRegisterStatus (a card to show registration status: pending or declined)
- Move tutor registration form to Tutor register page
- Add getTutor function and tutor state to AuthContextProvider (used in tutor registration page and sidebar)
- Update "Jadi Tutor" button to dynamically change to "Dashboard" based on tutor state in AuthContextProvider