added seprate auditable in entity

src/main/java/com/billpaymentservice/bbps/entites/InterchangeFeeDetail.java

@@ -15,7 +15,7 @@ import lombok.Setter;
 @Table(name = "interchange_fee_detail")
 @Getter
 @Setter
-public class InterchangeFeeDetail {
+public class InterchangeFeeDetail extends Auditable {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -43,4 +43,4 @@ public class InterchangeFeeDetail {
     @ManyToOne
     @JoinColumn(name = "interchange_fee_id", nullable = false)
     private InterchangeFee interchangeFee;
-}
+}