Added benchmarks for different remarkable modes

benchmark/implementations/current-commonmark/index.js

@@ -0,0 +1,8 @@
+'use strict'
+
+var Remarkable = require('../../../');
+var md = new Remarkable('commonmark');
+
+exports.run = function(data) {
+  return md.render(data);
+}

benchmark/implementations/current/index.js

@@ -1,12 +1,11 @@
 'use strict'
 
 var Remarkable = require('../../../');
-var md = new Remarkable('commonmark' /*{
+var md = new Remarkable({
   html: true,
-  xhtml: true,
-  breaks: false,
-  langPrefix: 'language-'
-}*/);
+  linkify: true,
+  typographer: true
+});
 
 exports.run = function(data) {
   return md.render(data);