Liontix/Scheduler-Backend: This the backend for a time-booking web app which can be used to provide bookable time frames to an audience. @ 428afef39a2a5fa9a395e3679dd6e6ce70721e0f

liontix 428afef39a added custom input validation		1 rok temu
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appointmentSchema.js	428afef39a added custom input validation	1 rok temu
bookingSchema.js	428afef39a added custom input validation	1 rok temu