feature: keep sidebar and add service layer

app/Providers/AppServiceProvider.php

@@ -2,21 +2,23 @@
 
 namespace App\Providers;
 
+use App\Services\Admin\AdminService;
+use App\Services\Admin\Contracts\AdminServiceInterface;
+use App\Services\Auth\AuthService;
+use App\Services\Auth\Contracts\AuthServiceInterface;
+use App\Services\User\Contracts\UserServiceInterface;
+use App\Services\User\UserService;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
 {
-    /**
-     * Register any application services.
-     */
     public function register(): void
     {
-        //
+        $this->app->bind(AuthServiceInterface::class, AuthService::class);
+        $this->app->bind(AdminServiceInterface::class, AdminService::class);
+        $this->app->bind(UserServiceInterface::class, UserService::class);
     }
 
-    /**
-     * Bootstrap any application services.
-     */
     public function boot(): void
     {
         //