add line to explain that a git push is necessary
Fixes#242
Co-authored-by: Jan Klippel <c0d3b3rg@kl1pp3l.de>
Reviewed-on: https://codeberg.org/Codeberg/Documentation/pulls/257
Co-authored-by: jklippel <jklippel@noreply.codeberg.org>
Co-committed-by: jklippel <jklippel@noreply.codeberg.org>