v0.2.0 Singleton

The Singleton series of releases are limited to one application.

What's Changed

• Use Containerd directly by @richiejp in #3
• Use Dockerfile if present by @richiejp in #4
• Add license by @richiejp in #2
• nix: Add server wrapper that include runtime deps by @richiejp in #5
• Add install instructions and brief description by @richiejp in #1

New Contributors

• @richiejp made their first contribution in #3 (LOL GitHub)

Full Changelog: v0.1.0...v0.2.0