feat: Event entity

src/main/java/com/application/munera/data/Event.java

@@ -0,0 +1,35 @@
+package com.application.munera.data;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.Size;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.Set;
+
+@Entity
+@Setter
+@Getter
+@Table(name = "events")
+public class Event {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "Id", unique = true, nullable = false)
+    private Long id;
+
+    @Size(max = 100)
+    @Column(name = "Name", nullable = false)
+    private String name;
+
+    @Size(max = 100)
+    @Column(name = "Description")
+    private String description;
+
+    @ManyToMany(fetch = FetchType.EAGER)
+    @JoinTable(
+            name = "Event_participants",
+            joinColumns = @JoinColumn(name = "event_id"),
+            inverseJoinColumns = @JoinColumn(name = "participant_id"))
+    private Set<Person> participants;
+}

src/main/java/com/application/munera/data/Person.java

@@ -39,11 +39,12 @@ public class Person {
     @Column(name = "credit")
     private BigDecimal credit;
 
-//    @JsonIgnore
     @ManyToMany(mappedBy = "creditors")
     private Set<Expense> creditorExpenses;
 
-//    @JsonIgnore
     @ManyToMany(mappedBy = "debtors")
     private Set<Expense> debtorExpenses;
+
+    @ManyToMany(mappedBy = "participants")
+    private Set<Event> participants;
 }