Create index.php (#3)

This is a landing file if the PHAR archive is accessed through a web browser.

src/public/index.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types = 1);
+
+/**
+ * This file is part of the FireHub Web Application Framework package
+ *
+ * This is a landing file if the PHAR archive is accessed through a web browser.
+ * @since 1.0.0
+ *
+ * @author Danijel Galić <danijel.galic@outlook.com>
+ * @copyright 2025 FireHub Web Application Framework
+ * @license <https://opensource.org/licenses/OSL-3.0> OSL Open Source License version 3
+ *
+ * @package Core\Public
+ *
+ * @version GIT: $Id$ Blob checksum.
+ */