Add API Platform Framework with Symfony/Flex

This implements the basic structure that will be used for the API and core application.

core/modules/Administration/AdministrationBundle.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace SuiteCRM\Core\Modules\Administration;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+/**
+ * Class Administration
+ * @package SuiteCRM\Core\Modules\Administration
+ */
+class AdministrationBundle extends Bundle
+{
+}