added db optimization for the get master data and get billerdetails

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

@@ -3,10 +3,12 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class BillerPlanResponseParamsDTO {
     private String billerPlanResponseId;
     private String paramsJson;