added seprate auditable in entity

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

@@ -26,7 +26,7 @@ import lombok.Setter;
 @Setter
 @Entity
 @Table(name = "biller_groups")
-public class Group {
+public class Group extends Auditable {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -59,4 +59,4 @@ public class Group {
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "group_container_id")
     private CustomerParamGroups customerParamGroups;
-}
+}