code: func (h *Host) serveImportersRoot(w http.ResponseWriter, r *http.Request) {
  	body := importersRootBody{
  		Host:      h,
  		Importers: make([]*importer, 0, len(h.imp)),
  	}
  	for _, v := range h.importers {
  		body.Importers = append(body.Importers, h.imp[v])
  	}
  	sort.Slice(body.Importers, func(i, j int) bool {
  		return body.Importers[i].Title() < body.Importers[j].Title()
  	})
  	h.execTemplate(w, r, importersRootPage{
  		Title: "Importers",
  		Body:  body,
  	})
  }
docs: // Serves list of importers at http://host/importer/