commit baeee735c5fded07227705876ac7f6809f73aa61
Author: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date:   Sun Dec 31 13:17:09 2023 +0100

    start documentation

diff --git a/doc_mainpage.h b/doc_mainpage.h
new file mode 100644
index 0000000..e69de29