Added ci tests suite to composer test script

Author: Fa-BRAIK

.php-cs-fixer.dist.php

@@ -0,0 +1,9 @@
+<?php
+
+$finder = new PhpCsFixer\Finder()->in(__DIR__ . DIRECTORY_SEPARATOR . 'src');
+
+return new PhpCsFixer\Config()
+    ->setRules([
+        '@PER-CS' => true,
+    ])
+    ->setFinder($finder);