Client-side redirects extension for Sphinx

I believe many uses Pages to host Sphinx documentation.

doc/user/project/pages/introduction.md

@@ -68,7 +68,8 @@ location, you can use the [HTTP meta refresh tag](https://en.wikipedia.org/wiki/
 
 Some static site generators provide plugins for that functionality so that you
 don't have to create and edit HTML files manually. For example, Jekyll has the
-[redirect-from plugin](https://github.com/jekyll/jekyll-redirect-from).
+[redirect-from plugin](https://github.com/jekyll/jekyll-redirect-from), Sphinx
+has the [sphinx-reredirects](https://gitlab.com/documatt/sphinx-reredirects) extension.
 
 ## GitLab Pages Access Control **(CORE)**