feat: add status field to ReservationEntity and update return type in ReservationService

Author: vanish-gold16

src/main/java/com/example/SorokinSpringBoot/ReservationService.java

@@ -44,7 +44,7 @@ public List<Reservation> findAllReservations() {
                                 it.getStatus()
                         )).toList();
 
-        return reservationMap.values().stream().toList();
+        return reservationList;
     }
 
     public Reservation createReservation(Reservation reservationToCreate) {

src/main/java/com/example/SorokinSpringBoot/models/ReservaionEntity.java

@@ -24,6 +24,7 @@ public class ReservaionEntity {
     @Column(name = "end_date")
     private LocalDate endDate;
 
+    @Enumerated(EnumType.STRING)
     @Column(name = "status")
     private ReservationStatus status;