Add PHPUnit configuration and bootstrap files

Introduced `phpunit.xml` for setting up our PHPUnit test suite with essential settings. Also added `bootstrap.php` to require necessary dependencies and import the `ConfigLib` library. This allows for a standardized testing environment and smoother test execution.

bootstrap.php

@@ -0,0 +1,3 @@
+<?php
+    require 'ncc';
+    import('net.nosial.configlib');