update for id bug 21

server.js

@@ -157,6 +157,7 @@ app.post('/csv', (req, res, next) => {
                             console.log('The "data to append" was appended to file!');
                         });
                         _res = 'OK';
+                        writetoFile(csv);
                     }
                     res.send({'id': _res});