v5.3.0
- Updated to Apache 2.0 license.
- Added third party notices file and metadata for dependencies.
- Updated README with more detail.
- Added issue templates for bugs and enhancements.
- Added code of conduct file.
- Updated contributing guide.
- Added pull request template.
- Migrated CI to GitHub Actions.
- Added copyright headers to all source files.
- Added additional items to .npmignore.