Added base template for config ui.

appengine/config_service/ui/bower_components/webcomponentsjs/entrypoints/webcomponents-hi-index.js

Index: appengine/config_service/ui/bower_components/webcomponentsjs/entrypoints/webcomponents-hi-index.js
diff --git a/appengine/config_service/ui/bower_components/webcomponentsjs/entrypoints/webcomponents-hi-index.js b/appengine/config_service/ui/bower_components/webcomponentsjs/entrypoints/webcomponents-hi-index.js
new file mode 100644
index 0000000000000000000000000000000000000000..d02073c63f80d97f819f2af1bb41945d4e380d6c
--- /dev/null
+++ b/appengine/config_service/ui/bower_components/webcomponentsjs/entrypoints/webcomponents-hi-index.js
@@ -0,0 +1,20 @@
+/**
+@license
+Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
+'use strict';
+
+/*
+ * Polyfills loaded: HTML Imports
+ * Used in: Safari Tech Preview
+ */
+
+import '../bower_components/html-imports/src/html-imports.js'
+
+import '../src/post-polyfill.js'
+import '../src/unresolved.js'