add piwik installation

www/analytics/plugins/ExamplePlugin/Controller.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\ExamplePlugin;
+
+use Piwik\View;
+
+/**
+ *
+ */
+class Controller extends \Piwik\Plugin\Controller
+{
+
+    public function index()
+    {
+        $view = new View('@ExamplePlugin/index.twig');
+        $this->setBasicVariablesView($view);
+        $view->answerToLife = '42';
+
+        return $view->render();
+    }
+}