code: func NewClientHandler(bodyHandler fasthttp.RequestHandler, life time.Duration, remote string) *ClientHandler {
  	return &ClientHandler{
  		bodyHandler:      bodyHandler,
  		rule:             DefaultRuleSet,
  		life:             life,
  		remoteHandlerURL: remote,
  	}
  }
docs: // NewClientHandler returns a new remote client handler
  // which asks the remote handler the cached entry's response
  // with a GET request, or add a response with POST request
  // these all are done automatically, users can use this
  // handler as they use the local.go/NewHandler
  //
  // the ClientHandler is useful when user
  // wants to apply horizontal scaling to the app and
  // has a central http server which handles