support middleware

Author: wpjscc

src/Facades/Route.php

@@ -14,7 +14,8 @@
  * @method void static head(string $route, $handler, ...$handlers)
  * @method void static any(string $route, $handler, ...$handlers)
  * @method void static addGroup(string $prefix, array $handlers, callable $callback)
- * @method void static group(string $prefix, array $handlers, callable $callback)
+ * @method void static group(string | array | callable $prefix, ...$handlers)
+ * @method void static middleware(...$middlewares)
  * @method void static map(array $methods, string $route, $handler, ...$handlers)
  */