dev add violation notion

src/main/java/ru/soune/nocopy/entity/violation/ViolationNotion.java

@@ -34,6 +34,11 @@ public class ViolationNotion {
     @JsonIgnore
     private FileEntity file;
 
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "violation_id", nullable = false)
+    @JsonIgnore
+    private Violation violation;
+
     @CreatedDate
     @Column(name = "created_at", updatable = false, nullable = false)
     private LocalDateTime createdAt;