initial docker setup

backend/wp-admin/network/plugins.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Plugins administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/plugins.php' );