AtAuth

Prepare for open source release

- Remove personal/organization-specific information - Update package names from @arcnode/atauth to atauth - Update repository URLs to GitHub - Remove emojis from example output - Add MIT LICENSE file - Add CONTRIBUTING.md guidelines - Add CODE_OF_CONDUCT.md - Add SECURITY.md for vulnerability reporting - Add GitHub Actions CI workflow - Add issue and PR templates - Update .gitignore with comprehensive patterns


Author Bryan Brooks Date Commit Parent bd835dd1