room reservation model, controller, seeder and migration files added

app/controllers/room_reservations_controller.ts

@@ -1,4 +1,5 @@
 import type { HttpContext } from '@adonisjs/core/http'
+import { DateTime } from 'luxon'
 import Room from '#models/room'
 import Reservation from '#models/reservation'
 import {
@@ -81,7 +82,11 @@ export default class RoomReservationsController {
   async store({ request, response }: HttpContext) {
     try {
       const data = await request.validateUsing(createReservationValidator)
-      const reservation = await Reservation.create(data)
+      const reservation = await Reservation.create({
+        ...data,
+        startsAt: DateTime.fromISO(data.startsAt),
+        endsAt: DateTime.fromISO(data.endsAt),
+      })
       return reservation
     } catch (error) {
       logger.error('Reservation creation failed: %s', error)
@@ -99,7 +104,11 @@ export default class RoomReservationsController {
       if (!reservation) {
         return response.notFound({ message: 'Reservation not found' })
       }
-      reservation.merge(data)
+      reservation.merge({
+        ...data,
+        startsAt: data.startsAt ? DateTime.fromISO(data.startsAt) : undefined,
+        endsAt: data.endsAt ? DateTime.fromISO(data.endsAt) : undefined,
+      })
       await reservation.save()
       return reservation
     } catch (error) {