experiments

What's Changed

• Add structured bug-fix exercise guide and surface it in README by @Copilot in #24
• Add full repro test suite for all bug exercises by @Copilot in #25
• Default image pulls to GHCR and harden registry host resolution by @Copilot in #26

Full Changelog: v0.1...v0.2

core features

core features implemented

• docker images
• docker containers