add json data

@@ -7,4 +7,8 @@ router.get('/', function(req, res, next) {
   res.render('detail', data);
   res.render('detail', data);
 });
 });
 
 
+router.get('/data', function(req, res, next) {
+  res.json(data);
+});
+
 module.exports = router;
 module.exports = router;