first commit

backend/assets/AppAsset.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace backend\assets;
+
+use yii\web\AssetBundle;
+
+/**
+ * Main backend application asset bundle.
+ */
+class AppAsset extends AssetBundle
+{
+    public $basePath = '@webroot';
+    public $baseUrl = '@web';
+    public $css = [
+        'css/site.css',
+    ];
+    public $js = [
+    ];
+    public $depends = [
+        'yii\web\YiiAsset',
+        'yii\bootstrap5\BootstrapAsset',
+    ];
+}