Changed the project structure.

app/application/lang/en/auth.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'failed'   => 'These credentials do not match our records.',
+    'password' => 'The password is incorrect.',
+    'throttle' => 'Too many login attempts. Please try again in :seconds seconds.',
+    'success' => 'The user is logged in.',
+    'disabled' => 'Disabled the user.',
+];