code: func (h *HTTPBin) Image(w http.ResponseWriter, r *http.Request) {
  	parts := strings.Split(r.URL.Path, "/")
  	if len(parts) != 3 {
  		http.Error(w, "Not found", http.StatusNotFound)
  		return
  	}
  	doImage(w, parts[2])
  }
docs: // Image responds with an image of a specific kind, from /image/<kind>