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

res/app/docs/docs-controller.js

@@ -0,0 +1,19 @@
+module.exports = function DocsCtrl($rootScope, $scope, $window, $location) {
+
+  $scope.goBack = function () {
+    $window.history.back()
+  }
+
+  $scope.goHome = function () {
+    $location.path('/docs/en/index')
+  }
+
+  $rootScope.$on("$routeChangeError",
+    function (event, current, previous, rejection) {
+      console.log("ROUTE CHANGE ERROR: " + rejection)
+      console.log('event', event)
+      console.log('current', current)
+      console.log('previous', previous)
+
+    })
+}

res/app/docs/docs.css

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+.stf-docs h1 {
+  /*background: green;*/
+}
+
+.stf-docs .widget-container {
+  padding: 10px;
+}
+
+.stf-docs h1 {
+  font-size: 32px;
+  color: #157afb;
+}
+
+.stf-docs h1 {
+  margin-top: 10px;
+}
+
+.stf-docs h2,
+.stf-docs h3 {
+  margin-top: 40px;
+}
+
+.stf-docs p,
+.stf-docs li,
+.stf-docs a {
+  font-size: 15px;
+}
+
+.stf-docs h1:after,
+.stf-docs h2:after,
+.stf-docs h3:after {
+  content: ' ';
+  display: block;
+  margin-top: 10px;
+  margin-bottom: 10px;
+  border: 0;
+  border-top: 1px solid #eee;
+}
+
+.stf-docs-navigation {
+  text-align: center;
+}
+
+.stf-docs .docs-back {
+  position: absolute;
+  left: 10px;
+  border: 1px solid transparent;
+}
+
+.stf-docs .docs-home {
+  border: 1px solid transparent;
+}

res/app/docs/index.js

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+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'))