Added new handlebars helper.

Whitespace.

Author: neogeek

lib/helpers.js

@@ -2,7 +2,9 @@ var hljs = require('highlight.js'),
     markdown = require('markdown-it')({
         html: true,
         highlight: function (code) {
+
             return hljs.highlight('javascript', code).value;
+
         }
     });
 
@@ -28,4 +30,14 @@ module.exports = function (hbs) {
 
     });
 
+    hbs.registerHelper('replace', function (string, match, replacement) {
+
+        if (string) {
+
+            return string.replace(match, replacement);
+
+        }
+
+    });
+
 };