add hashing config

config/hashing.php

@@ -0,0 +1,20 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Default Hash Driver
+    |--------------------------------------------------------------------------
+    |
+    | This option controls the default hash driver that will be used to hash
+    | passwords for your application. By default, the bcrypt algorithm is
+    | used; however, you remain free to modify this option if you wish.
+    |
+    | Supported: "bcrypt", "argon"
+    |
+    */
+
+    'driver' => 'bcrypt',
+
+];