Add a code of conduct.
After reviewing several codes of conduct, the KDE CoC[1][2] seems to match the goals and personality of our community the best. Adapt it to suit our needs.
[1]https://kde.org/code-of-conduct/ [2]https://invent.kde.org/websites/kde-org/-/blob/master/content/code-of-conduct.md
Edited by Gerald Combs