added initatePayment and checkTxnStatus

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

@@ -0,0 +1,22 @@
+package com.billpaymentservice.bbps.entites;
+
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@Table(name = "customer_params")
+public class CustomerParamDAO {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String paramsId;
+    private String name;
+    private String value;
+    private String type;
+}