feat: add reschedule functionality for admin bookings

- Implemented rescheduleAdminBooking service to allow users to change court and time for confirmed bookings.
- Added validation for court availability, maintenance status, and overlapping bookings.
- Created reschedule-admin-booking handler to process rescheduling requests and send confirmation emails.
- Updated booking email service to include rescheduling notifications.
- Enhanced frontend components to support booking rescheduling, including a new dialog for selecting new court and time.
- Added tests for rescheduling logic, covering various scenarios including validation errors and successful reschedules.
- Updated Prisma schema to log previous court and time for audit purposes.

apps/backend/prisma/migrations/20260623000000_add_reschedule_audit_fields/migration.sql

@@ -0,0 +1,4 @@
+-- AlterTable
+ALTER TABLE "court_booking_logs" ADD COLUMN "previous_court_id" UUID;
+ALTER TABLE "court_booking_logs" ADD COLUMN "previous_start_time" VARCHAR(5);
+ALTER TABLE "court_booking_logs" ADD COLUMN "previous_end_time" VARCHAR(5);