Create auth.php

Create auth.php for ES languague.

resources/lang/es/auth.php

+<?php
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Authentication Language Lines
+    |--------------------------------------------------------------------------
+    |
+    | The following language lines are used during authentication for various
+    | messages that we need to display to the user. You are free to modify
+    | these language lines according to your application's requirements.
+    |
+    */
+    'failed' => 'Estas credenciales no coinciden con nuestros registros.',
+    'throttle' => 'Demasiados intentos de inicio de sesión. Vuelva a intentarlo en :seconds segundos.',
+];