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/modules/public-booking/services/public-booking.service.ts

@@ -276,6 +276,8 @@ function mapBookingResponse(input: {
   endTime: string;
   customerName: string;
   customerPhone: string;
+  customerEmail: string | null;
+  price: number;
   status: 'CONFIRMED' | 'CANCELLED' | 'COMPLETED' | 'NOSHOW';
   court: {
     id: string;
@@ -304,7 +306,9 @@ function mapBookingResponse(input: {
     endTime: input.endTime,
     customerName: input.customerName,
     customerPhone: input.customerPhone,
+    customerEmail: input.customerEmail ?? undefined,
     status: input.status,
+    price: input.price,
     createdAt: input.createdAt.toISOString(),
   };
 }
@@ -325,6 +329,7 @@ export async function getPublicBookingConfirmation(complexSlug: string, bookingC
       bookingDate: true,
       startTime: true,
       endTime: true,
+      customerEmail: true,
       status: true,
       createdAt: true,
       court: {
@@ -381,6 +386,7 @@ export async function getPublicBookingConfirmation(complexSlug: string, bookingC
       slug: booking.court.sport.slug,
     },
     status: booking.status,
+    customerEmail: booking.customerEmail ?? undefined,
     createdAt: booking.createdAt.toISOString(),
   };
 }
@@ -625,6 +631,7 @@ export async function createPublicBooking(complexSlug: string, input: CreatePubl
             endTime: selectedSlot.endTime,
             customerName: input.customerName.trim(),
             customerPhone: input.customerPhone.trim(),
+            customerEmail: input.customerEmail?.trim() || null,
             status: 'CONFIRMED',
           },
           select: {
@@ -636,11 +643,14 @@ export async function createPublicBooking(complexSlug: string, input: CreatePubl
             endTime: true,
             customerName: true,
             customerPhone: true,
+            customerEmail: true,
             status: true,
           },
         });
       });
 
+      const price = resolveSlotPrice(selectedCourt, dayOfWeek, selectedSlot);
+
       return mapBookingResponse({
         bookingId: booking.id,
         bookingCode: booking.bookingCode,
@@ -650,6 +660,8 @@ export async function createPublicBooking(complexSlug: string, input: CreatePubl
         endTime: booking.endTime,
         customerName: booking.customerName,
         customerPhone: booking.customerPhone,
+        customerEmail: booking.customerEmail,
+        price,
         status: booking.status,
         court: {
           id: selectedCourt.id,