Adicionando php docblock

src/app/Middlewares/GuzzleLoggingMiddleware.php

@@ -8,6 +8,10 @@ use Psr\Http\Message\RequestInterface;
 
 class GuzzleLoggingMiddleware
 {
+    /**
+     * @param callable $handler
+     * @return Closure
+     */
     public function __invoke(callable $handler): Closure
     {
         return function (RequestInterface $request, array $options) use ($handler) {