v0.1.0

edfb66f Enable this repo as a github action (#3)
aac0303 *: run go fmt and sort imports
1ae45eb pkg/diff/run.go: reset worktree after loading packages (#2)
7ccff33 fix: be more helpful on bad args (#1)
106bcff pkg/diff/run.go: fail if git tree is dirty
899400d fail if tree is dirty
1a93711 Add initial code
89405dc Initial commit