Update index.php

Author: ivopetkov

index.php

@@ -14,7 +14,7 @@
 $app->bearCMS->addons
     ->register('bearcms/code-element-addon', function (\BearCMS\Addons\Addon $addon) use ($app) {
         $addon->initialize = function () use ($app) {
-            $context = $app->contexts->get(__FILE__);
+            $context = $app->contexts->get(__DIR__);
 
             $context->assets->addDir('assets');