Update as per groupoffice-docs#2

Open

derjoachim wants to merge 18 commits intoIntermesh:masterfrom

derjoachim:master

Commits on Feb 4, 2020

Updated tutorial code to 6.4.X
derjoachim
committed

Commits on Feb 5, 2020

Updated tutorials code
derjoachim
committed

Commits on Feb 6, 2020

Updated code for custom CSS
derjoachim
committed

Commits on Feb 17, 2020

Commits on Jul 5, 2024

Update README
derjoachim
committed

Commits on Nov 22, 2024

Initial commit
derjoachim
committed

Commits on Nov 25, 2024

Commits on Dec 2, 2024

port to 6.9
derjoachim
committed

Commits on Dec 3, 2024

Feedback MS / JA
derjoachim
committed

Commits on Jan 7, 2025

Ported to 6.9 / 25.X
derjoachim
committed