Link to useLayoutEffect gist in a warning

Author: gaearon

packages/react-dom/src/server/ReactPartialRendererHooks.js

@@ -392,8 +392,7 @@ export function useLayoutEffect(
     'useLayoutEffect does nothing on the server, because its effect cannot ' +
       "be encoded into the server renderer's output format. This will lead " +
       'to a mismatch between the initial, non-hydrated UI and the intended ' +
-      'UI. To avoid this, useLayoutEffect should only be used in ' +
-      'components that render exclusively on the client.',
+      'UI. See https://fb.me/react-uselayouteffect-ssr for common ways to fix this.',
   );
 }