embed QRCodeTypeEntity to QRCodeEntity

src/main/java/com/safeqr/app/qrcode/entity/QRCodeEntity.java

@@ -26,14 +26,14 @@ public class QRCodeEntity {
     @Column(updatable = false, nullable = false)
     private UUID id;
 
-    @JsonIgnore
-    @Column(name = "qr_code_type_id", nullable = false)
-    private Long qrCodeTypeId;
-
     @JsonIgnore
     private String userId;
     private String contents;
 
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "qr_code_type_id", nullable = false)
+    private QRCodeTypeEntity info;
+
     @Column(name = "created_at", insertable = false, updatable = false)
     private LocalDateTime createdAt;
 }