[LyX/master] Update French Additional.lyx, step 1

[jpc]

commit 78b588031e6a5b56e626aadc28c9fda27f3f6134
Author: jpc <jpc at lyx.org>
Date:   Thu Apr 27 14:52:32 2023 +0200

             Update French Additional.lyx, step 1

 lib/doc/fr/Additional.lyx | 8694 +++++++++++++++++++++++++--------------------
 1 files changed, 4894 insertions(+), 3800 deletions(-)