finish add/buy in frontend

src/server.rs

@@ -84,7 +84,7 @@ pub(crate) fn serve() -> std::io::Result<()> {
             .data(pool.clone())
             .wrap(
                 Cors::new()
-                    .allowed_origin("http://localhost:8088")
+                    .allowed_origin("http://localhost:8080")
                     .allowed_methods(vec!["GET", "POST", "PUT", "DELETE", "OPTIONS"])
                     .max_age(3600),
             )