Move source files directly under src/ directory

src/Event/ConfigUpdatedEvent.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Wallabag\CoreBundle\Event;
+
+use Symfony\Contracts\EventDispatcher\Event;
+use Wallabag\CoreBundle\Entity\Config;
+
+/**
+ * This event is fired as soon as user configuration is updated.
+ */
+class ConfigUpdatedEvent extends Event
+{
+    public const NAME = 'config.updated';
+
+    protected $config;
+
+    public function __construct(Config $entry)
+    {
+        $this->config = $entry;
+    }
+
+    public function getConfig(): Config
+    {
+        return $this->config;
+    }
+}