adding FetchbillByBillId

src/main/java/com/billpaymentservice/bbps/dto/CustomerParam.java

@@ -0,0 +1,20 @@
+package com.billpaymentservice.bbps.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class CustomerParam {
+    private String paramConfigId;
+    private String paramName;
+    private String dataTypeDAO;
+    private String dataTypeModel;
+    private boolean optional;
+    private int minLength;
+    private int maxLength;
+    private String regex;
+    private boolean visibility;
+
+    // getters and setters
+}