Signed-off-by: marcin mikołajczak <git@mkljczk.pl>
grep -rl '# Copyright © .* Pleroma' * | xargs sed -i 's;Copyright © .* Pleroma .*;Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>;'
* I added the option in config/config.exs * created a new module lib/pleroma/user/welcome_chat_message.ex * Added it to the registration flow * added to the cheatsheet * added to the config/description.ex * added to the Changelog.md
