(TP-110) feat: add favourites field

Author: Kattsyn

rentplace/src/main/java/kattsyn/dev/rentplace/entities/User.java

@@ -6,6 +6,8 @@
 import lombok.*;
 
 import java.time.LocalDate;
+import java.util.HashSet;
+import java.util.Set;
 
 @Entity
 @NoArgsConstructor
@@ -42,4 +44,10 @@ public class User {
     @JoinColumn(name = "image_id")
     private Image image;
 
+    @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE}, fetch = FetchType.LAZY)
+    @JoinTable(name = "favourites",
+            joinColumns = @JoinColumn(name = "user_id"),
+            inverseJoinColumns = @JoinColumn(name = "property_id"))
+    private Set<Property> favourites = new HashSet<>();
+
 }