Added GeshiBundle to highlight source code

Signed-off-by: Gergely Polonkai (W00d5t0ck) <polesz@w00d5t0ck.info>

src/GergelyPolonkai/GeshiBundle/DependencyInjection/Configuration.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace GergelyPolonkai\GeshiBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+/**
+ * This is the class that validates and merges configuration from your app/config files
+ *
+ * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
+ */
+class Configuration implements ConfigurationInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('gergely_polonkai_geshi');
+
+        // Here you should define the parameters that are allowed to
+        // configure your bundle. See the documentation linked above for
+        // more information on that topic.
+
+        return $treeBuilder;
+    }
+}