message: docs: add guide for as prop and custom components
diff: @@ -12,6 +12,10 @@ const sidebar = {
  title: "Portals and z-Index",
  path: "/guides/z-index",
  },
  + {
  + title: "The as prop",
  + path: "/guides/as-prop",
  + },
  {
  title: "Integrations",
  path: "/guides/integrations",
  