Add `utils` dir and generateToken.js utility

Signed-off-by: Drasko DRASKOVIC <drasko.draskovic@gmail.com>

utils/generateToken.js

@@ -0,0 +1,9 @@
+var jwt = require('jsonwebtoken');
+
+var config = require('../config/config');
+
+var token = jwt.sign({foo: 'bar'}, config.tokenSecret, {
+    expiresInMinutes: config.userTokenExpirePeriod
+});
+
+console.log(token);