initial commit.

middlewares/404.js

@@ -0,0 +1,19 @@
+'use strict';
+
+require('../models/schema');
+var config = require('config');
+
+module.exports = (req, res, next) => {
+  var err = new Error('Not Found');
+  if (req.accepts('text/html')) {
+    res.status(404).render('not_found', {
+      title: 'Page Not Found.'
+    });
+  } else if (req.accepts('application/json')) {
+    res.status(404).json({
+      "error": "not_found"
+    });
+  } else {
+    res.status(404).send("Not Found.");
+  }
+}