added batch file upload feature

src/main/java/zw/qantra/tm/domain/models/Transaction.java

@@ -72,6 +72,8 @@ public class Transaction extends BaseEntity {
     private String creditCard;
     private String creditRef;
     private String creditEmail;
+    private String creditAddress;
+    private String creditVoucher;
     private String billClientId;
     private String clientSecret;
     private String aggregatorId;