SECURITY.md asks for vulnerabilities to be reported privately, through GitHub's private vulnerability reporting or by email to karl-einarb@outlook.com.
docs/development.md: the "Pull requests" heading is now "How changes land". The section covers squash merges, PR titles and branch protection, not how to send one.
Reviewed-on: #65
Co-authored-by: Karl-Einar Bergstrøm <karl-einarb@outlook.com>
