- [Refactor to use git2 crate.](https://github.com//himanoa/mkrepo/pu…

…ll/6)

- [Add `mkrepo.username`](https://github.com//himanoa/mkrepo/pull/4)
- [Run CI for tier 1 `x86_64-` targets](https://github.com//himanoa/mkrepo/pull/3)

- [Expand the first '~' of `ghq.root](#2)

  - Fix #1

First release