code: function serveRoutes(server) {
      self.server = server;
      server.app.use(serve);
      server.app.get('/admin/statics', function(req, res) { res.send(Object.keys(self.file$)); });
      watchAll();
      return self; // chainable
    }
docs: deploy middleware and initialize watches note: this may be called before scanAll() completes