code: func (a *Application) Serve(url string, path string) {
  	if a.static == nil {
  		log.Debug("creating `Static` instance")
  
  		a.static = &Static{}
  		a.static.init()
  	}
  
  	a.static.Serve(url, path)
  }
docs: // Defining paths for serving static files. For example if we say:
  // a.Serve("/some", "./mypath")
  // then if we require ``/some/js/file.js``, Neo will look for file at ``./mypath/js/file.js``.