message: chore(server): cache headers
diff: @@ -21,7 +21,9 @@ const start = () => {
  res.sendFile(pathname, options, err => err && next());
  });
  - app.use(express.static(path.join(__dirname, 'www')));
  + app.use(express.static(path.join(__dirname, 'www'), {
  + maxAge: '2h'
  + }));
  app.use((_, res) => {
  res.status(404).sendFile(`${__dirname}/www/docs/index.html`);
  