first upload all files

Modules/Sms/Providers/SmsServiceProvider.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Modules\Sms\Providers;
+
+use Modules\Sms\Facades\Gateway;
+use Modules\Sms\Gateways\Twilio;
+use Modules\Sms\Gateways\Vonage;
+use Illuminate\Support\ServiceProvider;
+
+class SmsServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        Gateway::register('vonage', new Vonage);
+        Gateway::register('twilio', new Twilio);
+    }
+}