[LyX/master] Create new Chapter 4 Modules and move Multiple text columns section into it

[Pavel Sanda]

commit 357c7ab0237cecbd51c6ab243708bcef60586ae7
Author: John R Hudson <j.r.hudson at virginmedia.com>
Date:   Fri Dec 16 10:22:39 2022 +0000

    Create new Chapter 4 Modules and move Multiple text columns section into it

 lib/doc/Additional.lyx | 3010 ++++++++++++++++++++++++------------------------
 1 files changed, 1508 insertions(+), 1502 deletions(-)