added web interface (WIP)

websrc/styles/main.css

@@ -0,0 +1,14 @@
+/*
+Copyright (c) 2015 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
+*/
+
+body {
+  background: #fafafa;
+  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+  color: #333;
+}