* docs: Pull contributing document from v1 branch
* Update .github/CONTRIBUTING.md
Co-Authored-By: Matt Holt <mholt@users.noreply.github.com>
* docs: [Responsible -> Coordinated] Disclosure
* docs: Link to the new security policy page
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>