fix: apply whitespace fixes (#688)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Documentation/FirstProject/CreateRootPage.rst

@@ -66,4 +66,3 @@ you will learn how to create a root page in TYPO3 v13.
     ..  note::
         By default, a newly created page is disabled. You need to enable it to
         make the page publicly visible.
-