Add Documentation in Markdown plus express middleware for in-site rendering.

res/app/docs/index.js

@@ -0,0 +1,14 @@
+require('./docs.css')
+
+module.exports = angular.module('stf.help.docs', [])
+  .config(['$routeProvider', function ($routeProvider) {
+
+    $routeProvider.when('/docs/:lang/:document*', {
+      templateUrl: function (params) {
+        var document = params.document.replace('.md', '')
+        return '/static/docs/' + params.lang + '/' + document
+      }
+    })
+
+  }])
+  .controller('DocsCtrl', require('./docs-controller'))