Add fix incorrect use of config

Author: sebastiansson

config/exponent-push-notifications.php

@@ -8,7 +8,7 @@
 
 return [
     'middleware' => [
-        //'auth:sanctum', <- Only use this middleware if you're using Sanctum
+        //'auth:sanctum', //<- Use only this middleware if you're using Sanctum
         'auth:api', 
         'bindings'
     ],

src/Http/routes.php

@@ -1,6 +1,6 @@
 <?php
 
-Route::group(['prefix' => 'api/exponent/devices', 'middleware' => !config('middleware') ?? ['auth:api', 'bindings']], function () {
+Route::group(['prefix' => 'api/exponent/devices', "middleware" => config("exponent-push-notifications")["middleware"]], function () {
     Route::post('subscribe', [
         'as'    =>  'register-interest',
         'uses'  =>  'NotificationChannels\ExpoPushNotifications\Http\ExpoController@subscribe',