[Foundation] added missing XML file

src/Symfony/Foundation/Resources/config/debug.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://www.symfony-project.org/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.symfony-project.org/schema/dic/services http://www.symfony-project.org/schema/dic/services/services-1.0.xsd">
+
+  <parameters>
+    <parameter key="debug.event_dispatcher.class">Symfony\Foundation\Debug\EventDispatcher</parameter>
+  </parameters>
+
+  <services>
+    <service id="debug.event_dispatcher" class="%debug.event_dispatcher.class%">
+      <argument type="service" id="service_container" />
+      <argument type="service" id="logger" on-invalid="null" />
+    </service>
+  </services>
+</container>