booking availability calender react mern -----main google search
https://github.com/mahaffey/MERN-Calendar
https://github.com/MarindanyTracy/Mern-Booking-App
https://github.com/Amantha96/Reservation_App
https://demo.mobiscroll.com/react/calendar/multiple-select# -----
https://demo.mobiscroll.com/react/calendar/event-hooks#