first upload all files

Modules/Admin/Providers/AdminServiceProvider.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Modules\Admin\Providers;
+
+use Modules\Admin\Ui\Facades\Form;
+use Illuminate\Pagination\Paginator;
+use Illuminate\Support\Facades\View;
+use Modules\Support\Traits\AddsAsset;
+use Illuminate\Foundation\AliasLoader;
+use Illuminate\Support\ServiceProvider;
+use Modules\Admin\Http\ViewComposers\AssetsComposer;
+
+class AdminServiceProvider extends ServiceProvider
+{
+    use AddsAsset;
+
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        View::composer('admin::layout', AssetsComposer::class);
+        Paginator::defaultSimpleView('admin::pagination.simple');
+
+        $this->addAdminAssets('admin.dashboard.index', ['admin.dashboard.css', 'admin.dashboard.js']);
+    }
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        AliasLoader::getInstance()->alias('Form', Form::class);
+    }
+}

Modules/Admin/Providers/SidebarServiceProvider.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Modules\Admin\Providers;
+
+use Illuminate\Support\Facades\View;
+use Illuminate\Support\ServiceProvider;
+use Maatwebsite\Sidebar\SidebarManager;
+use Modules\Admin\Sidebar\AdminSidebar;
+use Modules\Admin\Http\ViewCreators\AdminSidebarCreator;
+
+class SidebarServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot(SidebarManager $manager)
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        if ($this->app['inAdminPanel']) {
+            $manager->register(AdminSidebar::class);
+        }
+
+        View::creator('admin::partials.sidebar', AdminSidebarCreator::class);
+    }
+}