Move into wp-content path

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/github-updater/vendor/composer/autoload_psr4.php

@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Fragen\\GitHub_Updater\\' => array($baseDir . '/src/GitHub_Updater'),
+);