UI (#15)

Adding new Admin UI. Updating Fredy to V3.0.0 as it has been a large rewrite. Thanks for all contributions and help on the way!

lib/services/markdown.js

@@ -0,0 +1,6 @@
+const markdown = require('markdown').markdown;
+const fs = require('fs');
+
+exports.markdown2Html = function markdown2Html(filePath) {
+  return markdown.toHTML(fs.readFileSync(filePath, 'utf8'));
+};