feature/routes#17 update MovieDate for Seat

update endpoints about the Movie's Date route for seat:

• getAllMovieDates
• getOneMovieDate
• postMovieDate
• putMovieDate
• patchMovieDate
• deleteMovieDate

to this:

• getAllSeats
• getOneSeat
• postSeat
• putSeat
• patchSeat
• deleteSeat