feat: add customer email functionality for booking confirmations

- Implemented email confirmation for admin and public bookings.
- Added customerEmail field to booking schemas and services.
- Created email templates for booking confirmation, cancellation, and no-show notifications.
- Updated booking handlers to send emails upon booking creation and status updates.
- Enhanced frontend forms to capture customer email during booking creation.

apps/backend/src/generated/prisma/browser.ts

@@ -82,11 +82,6 @@ export type CourtBooking = Prisma.CourtBookingModel
  * 
  */
 export type CourtBookingLog = Prisma.CourtBookingLogModel
-/**
- * Model OnboardingRequest
- * 
- */
-export type OnboardingRequest = Prisma.OnboardingRequestModel
 /**
  * Model PasswordResetRequest
  *