bytepatch-0.2.1: CHANGELOG.md

## 0.2.1 (2021-12-03)
  * large internal refactoring (still more to come!)
  * schema refactoring (patch -> edit, offsets -> at)
  * Hackage metadata improvements (initial release was a bit wonky)

## 0.2.0 (2021-12-03)
Initial release.

  * extracted & rewrote tool (library + CLI) from gtvm-hs