test(docker_compose): add compose file for testing

MR !1

test/config.inc.php

@@ -0,0 +1,36 @@
+<?php
+    $config['plugins'] = array(
+	'fetchmail',
+        'contextmenu'
+);
+    $config['log_driver'] = 'stdout';
+    $config['zipdownload_selection'] = true;
+    $config['des_key'] = '2A9UVzfF6nsNucrunVIQ+AL/';
+    include(__DIR__ . '/config.docker.inc.php');
+    $config['imap_conn_options'] = array(
+           'ssl'         => array(
+           'verify_peer'  => false,
+           'allow_self_signed' => true,
+           'peer_name'         => 'localhost',
+           )
+    );
+
+     $config['smtp_conn_options'] = array(
+            'ssl'         => array(
+            'verify_peer'  => false,
+           'allow_self_signed' => true,
+           'peer_name'         => 'localhost',
+     ),
+   );
+
+    $config['layout'] = 'list';
+
+     $config['managesieve_host'] = 'tls://mail';
+
+     $config['managesieve_conn_options'] = array(
+     'ssl'         => array(
+       'verify_peer'  => true,
+       'allow_self_signed' => true,
+       'peer_name'         => 'localhost',
+     ),
+   );