code: func NewHandler() Handler {
  	h := &basicHandler{
  		livenessChecks:  make(map[string]Check),
  		readinessChecks: make(map[string]Check),
  	}
  	h.Handle("/live", http.HandlerFunc(h.LiveEndpoint))
  	h.Handle("/ready", http.HandlerFunc(h.ReadyEndpoint))
  	return h
  }
docs: // NewHandler creates a new basic Handler