Add a reminder on how to update the latest version

Author: dtdesign

README.md

@@ -1,4 +1,4 @@
-## WoltLab Suite 6.1 Documentation
+## WoltLab Suite 6.2 Documentation
 
 This repository is used to build the documentation at [https://docs.woltlab.com](https://docs.woltlab.com), contributions are welcome.
 
@@ -7,3 +7,14 @@ This repository is used to build the documentation at [https://docs.woltlab.com]
 Please create an issue before starting any work on new content or updates/fixes to existing ones. This ensures that the same topic isn't worked on independently by multiple people and that your additions and modifications do not conflict with any other plans.
 
 The documentation uses the [Material theme](https://squidfunk.github.io/mkdocs-material/) for [MkDocs](https://www.mkdocs.org/).
+
+## Reminder: Updating `latest`
+
+Execute in the branch that will be come the new `latest` branch!
+
+```sh
+python3 -m venv mike
+source mike/bin/activate
+pip install -r requirements.txt
+mike alias -u -b target <new-version> latest
+```