code: func init() {
  	e := html.New(html.Config{Layout: "layouts/layout.html"})
  	template.AddEngine(e)
  	if err := template.Load(); err != nil {
  		panic(err)
  	}
  }
docs: // In this example we will see how custom templates are cached,
  // the same code snippet (httpcache.CacheFasthttp) is working for fasthttp-everything else.
  // Here we're using a custom package which handles the templates with ease,
  //  you can use the standard way too.