added seprate auditable in entity

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

@@ -21,7 +21,7 @@ import lombok.Setter;
 @Table(name = "plan")
 @Getter
 @Setter
-public class Plan {
+public class Plan extends Auditable {
 
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -62,4 +62,4 @@ public class Plan {
 	@JoinColumn(name = "additional_info_id", referencedColumnName = "id")
 	private AdditionalInfoPlans additionalInfo;
 
-}
+}