append phabricator install playbook to gitlab-dev host playbook

files/gitlab/phabricator.conf.php

@@ -0,0 +1,18 @@
+<?php
+
+return array(
+  'phabricator.base-uri' => 'http://{{domain}}/',
+
+  'mysql.host' => 'localhost',
+  'mysql.user' => 'root',
+
+  'metamta.default-address' => 'phabricator@{{domain}}',
+  'metamta.domain'          => '{{domain}}',
+
+  'phabricator.timezone'    => 'America/New_York',
+  'pygments.enabled'        => true,
+
+  // NOTE: Check default.conf.php for detailed explanations of all the
+  // configuration options, including these.
+
+) + phabricator_read_config_file('production');