feat: implement public booking cancellation feature

- Added cancelPublicBooking handler to manage booking cancellations.
- Updated public booking service to include cancellation logic.
- Created cancelPublicBooking schema for input validation.
- Modified public booking confirmation page to allow users to cancel their bookings.
- Enhanced email service to send cancellation confirmation emails.
- Made customerEmail field required in booking schemas and updated related components.
- Updated API client to support cancellation requests.
- Added migration to enforce non-nullable customer_email fields in the database.

packages/api-contract/src/index.ts

@@ -98,9 +98,11 @@ export {
   publicBookingSchema,
   publicBookingSlotSchema,
   publicBookingSportSchema,
+  cancelPublicBookingSchema,
 } from './public-booking'
 export type {
   CreatePublicBookingInput,
+  CancelPublicBookingInput,
   PublicAvailabilityCourt,
   PublicAvailabilityQuery,
   PublicAvailabilityResponse,