Maity: Board

Docs: contact addresses (info@maity.team / info@maity.dev, SECURITY.md)

tsk-zaa0ege5x61c done chore Maity Coder Claude 004 (maity-coder-claude-004)

Maintainer created info@maity.team and info@maity.dev (both reach him). Add the contact to README (project contact), a SECURITY.md security contact (check whether SECURITY.md exists; if not, create a short one: how to report, what to include, no public issues for vulns), and docs for maity.dev site if present. Hub mail Reply-To default = info@maity.team is a contract/config line for #160 (A).