improve look and feel of keybinding documentation

data/web/keybindings/script.js

@@ -0,0 +1,29 @@
+window.onload = function () {
+  var mainTemplateElement = document.getElementById('mainTemplate');
+  var mainTemplate = Handlebars.compile(mainTemplateElement.innerHTML);
+
+  var keybindingTemplateElement = document.getElementById('keybindingTemplate');
+  Handlebars.registerPartial('keybinding', keybindingTemplateElement.innerHTML);
+
+  Handlebars.registerHelper('urlify', function(options, context) {  
+    var data = context.data;
+    var identifier = options.replace(" ", "-").toLowerCase();
+
+    while (data = data._parent) {
+      if (data.key !== undefined) {
+        identifier = data.key + "-" + identifier;
+      }
+    }
+
+    return identifier;
+  });
+
+  var data = {
+    keybindings: keybindings,
+    version: version,
+    generationTime: generationTime
+  }
+
+  var contents = mainTemplate(data);
+  document.body.innerHTML = contents;
+}