Added service provider

Author: vuongxuongminh

src/FlysystemServiceProvider.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * @link https://github.com/phpviet/laravel-flysystem
+ * @copyright (c) PHP Viet
+ * @license [MIT](http://www.opensource.org/licenses/MIT)
+ */
+
+namespace PHPViet\Laravel\Flysystem;
+
+use Closure;
+use Illuminate\Support\ServiceProvider;
+use Illuminate\Filesystem\FilesystemManager;
+use PHPViet\Laravel\Flysystem\Drivers\Viettel\Driver as ViettelDriver;
+
+/**
+ * @author Vuong Minh <vuongxuongminh@gmail.com>
+ * @since 1.0.0
+ */
+class FlysystemServiceProvider extends ServiceProvider
+{
+    /**
+     * @var array
+     */
+    protected $driversMap = [
+        'viettel' => ViettelDriver::class,
+    ];
+
+    public function register(): void
+    {
+        $this->registerDrivers();
+    }
+
+    protected function registerDrivers(): void
+    {
+        $this->app->extend('filesystem', function (FilesystemManager $manager) {
+            foreach ($this->driversMap as $driver => $class) {
+                $manager->extend($driver, Closure::fromCallable(new $class()));
+            }
+
+            return $manager;
+        });
+    }
+}