add calendarview event creation

admin/src/app/features/calendar/models/events-in-range-dto.model.ts

@@ -0,0 +1,22 @@
+import { Event } from '../../events/models/event.model';
+export interface EventsInRangeDTO {
+  startTime?: Date;
+  endTime?: Date;
+}
+export type BookingUserDto = {
+  id: number;
+  name: string; // Assuming user has a 'name' property
+  email: string; // Assuming user has a 'name' property
+};
+
+// This represents a booking with nested user info
+export type BookingWithUserDto = {
+  user: BookingUserDto | null;
+  id: number;
+};
+
+// The final shape of a calendar event occurrence
+export type CalendarEventDto = Omit<Event, 'bookings'> & {
+  isModified?: boolean;
+  eventBookings: BookingWithUserDto[];
+};