added seprate auditable in entity

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

@@ -14,7 +14,7 @@ import lombok.Setter;
 @Table(name = "biller_response")
 @Getter
 @Setter
-public class BillerResponse {
+public class BillerResponse extends Auditable {
 
     @Id
     @GeneratedValue
@@ -55,4 +55,4 @@ public class BillerResponse {
     private BillMaster billMaster;
 
     // getters and setters
-}
+}