code: func (r *Router) Static(pattern string, dir string) {
  	//append a regex to the param to match everything
  	// that comes after the prefix
  	pattern = pattern + "(.+)"
  	r.Get(pattern, func(w http.ResponseWriter, req *http.Request) {
  		path := filepath.Clean(req.URL.Path)
  		path = filepath.Join(dir, path)
  		http.ServeFile(w, req, path)
  	})
  }
docs: // Adds a new Route for Static http requests. Serves
  // static files from the specified directory