feat: implement topup functionality with create, get, and cancel operations ✨

lib/types.ts

@@ -1,9 +1,19 @@
 export type TopupType = {
 	amount: number;
-	userId: string;
-	paid: boolean;
 };
 
+export type Transaction = {
+	ref: string;
+	sourceBank: string;
+	trxDate: string;
+}
+
+export type TopupResponse = {
+	status: boolean;
+	message: string;
+	transaction?: Transaction
+}
+
 interface IpAddress {
 	ip: string;
 	mask: number;