Done via the following command: git diff fcd5dd259a1700a045be902b43391b0d1bd58a5b --stat --name-only | xargs sed -i '/Pleroma Authors/c# Copyright © 2017-2020 Pleroma Authors <https:\/\/pleroma.social\/>'
Add default robots.txt that allows bots access to all paths. Add mix task to generate robots.txt taht allows bots access to no paths. Document custom emojis, MRF and static_dir static_dir documentation includes docs for the robots.txt Mix task.