docs: update /Layout (#1689)

docs/pages/Layout/+Page.mdx

@@ -66,8 +66,8 @@ pages/admin-panel/users/+Page.js    # URL: /admin-panel/users
 
 > Setting a default `<Layout>` that is overridable isn't currently supported, see [#1692 - Add `override` and `default` options for cumulative configs](https://github.com/vikejs/vike/issues/1692).
 
-## Nested Layouts
 
+## Nested Layouts
 
 You can define layouts that nest into each other:
 
@@ -118,7 +118,9 @@ Make sure to use <Link href="/clientRouting#settings">`<a href="/product/42/revi
 
 > If your nested layout isn't associated with a URL then you can use a stateful component instead of `<Layout>`. (If the pricing and reviews tabs share the same URL `/product/42`.)
 
-> Caching the data of the outer layout is work-in-progress, see [#1689 - [Nested Layouts] Fetch data on layout-level](https://github.com/vikejs/vike/issues/1689).
+> To fetch data for your layouts see:
+> - <Link href="/data-fetching#tools" />
+> - [#1833 - Make `+data` and `+onBeforeRender` cumulative](https://github.com/vikejs/vike/issues/1833)
 
 Examples:
 - [React](https://github.com/vikejs/vike-react/blob/main/examples/full/pages/starship)

docs/pages/data-fetching/+Page.mdx

@@ -73,6 +73,8 @@ Some data-fetching tools have Vike extensions that enable your components to fet
  - [`vike-react-query`](https://github.com/vikejs/vike-react/tree/main/packages/vike-react-query#readme) - [TanStack Query](https://tanstack.com/query) integration for <Link href="/vike-react">`vike-react`</Link>
  - 🚧 `vike-react-telefunc` - [Telefunc](https://telefunc.com/) integration for <Link href="/vike-react">`vike-react`</Link>
 
+> These extensions enable any of your components, including your <Link href="/Layout">`<Layout>` components</Link>, to fetch data.
+
 
 ## Data mutation & subsequent data