Booking process - Add and remove rooms from booking.

src/model/Bookings.ts

@@ -0,0 +1,21 @@
+
+export type NewBooking = {
+    arrivalDate: Date,
+    departureDate: Date,
+    customerDetails: NewBookingCustomerDetails,
+    rooms: NewBookingRoom[]
+};
+
+export type NewBookingCustomerDetails = {
+    name: string | null,
+    surname: string | null,
+    email: string | null,
+    phoneNumber: string | null
+};
+
+export type NewBookingRoom = {
+    roomCategory: number,
+    guestNumber: number,
+    amount: number,
+    price: number
+};