Rename middleware folder

Classes/Middlewares/FlyOutAjaxLogin.php → Classes/Middleware/FlyOutAjaxLogin.php

 <?php
-namespace T3o\T3olayout\Middlewares;
+namespace T3o\T3olayout\Middleware;
 
 /*
  * This file is part of a TYPO3 extension.

Configuration/RequestMiddlewares.php

@@ -3,7 +3,7 @@
 return [
     'frontend' => [
         't3olayout-ajaxlogin' => [
-            'target' => \T3o\T3olayout\Middlewares\FlyOutAjaxLogin::class,
+            'target' => \T3o\T3olayout\Middleware\FlyOutAjaxLogin::class,
             'after' => [
                 'typo3/cms-frontend/prepare-tsfe-rendering'
             ]