Handle privacy issues

[cdcadman]

• Cookie warning?
• Do we have to be ready to remove personal information that may appear on the site?
• Have email address or form where users can request to have certain content removed.

[cdcadman]

GDPR may be tricky. https://law.stackexchange.com/questions/73428/is-storing-records-of-chess-games-a-violation-of-gdpr