made some refactoring

resources/view/principles/liskov-substitution.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * @package: patterns
+ * @author: Yevhen Odynets
+ * @date: 2025-07-07
+ * @time: 08:36
+ */
+
+declare(strict_types = 1);
+
+use Pattern\SOLID\LiskovSubstitution\Bird;
+
+$bird = new Bird;