remove *Document intefaces from FE code

db/booking.ts

@@ -2,16 +2,14 @@ import * as mongoose from 'mongoose'
 import { v4 as uuidv4 } from 'uuid'
 import { startOfDay } from 'date-fns'
 import { dateFormatBackend, getDays } from '../helpers/date'
-import { BillDocument } from './bill'
-import { BookerDocument } from './booker'
+import { Bill } from './bill'
+import { Booker } from './booker'
 import { BOOKING_STATUS } from './enums'
 
-export interface BookingDocument
-  extends mongoose.Document,
-    mongoose.SchemaTimestampsConfig {
+export interface Booking {
   uuid: string
-  booker: BookerDocument
-  bill: BillDocument
+  booker: Booker
+  bill: Bill
   startDate: Date
   endDate: Date
   status: BOOKING_STATUS
@@ -21,6 +19,11 @@ export interface BookingDocument
   days?: string[]
 }
 
+export interface BookingDocument
+  extends Booking,
+    mongoose.Document,
+    mongoose.SchemaTimestampsConfig {}
+
 export interface BookingModel extends mongoose.Model<BookingDocument> {
   findBookedDays(): Promise<string[]>
 }