Features
* **cli:** add version subcommand ([2a9ad4e1](https://github.com/upciti/ops2deb/commit/2a9ad4e1c6f15757d394e724c8cef22f898f8959))
* **parser:**
* allow goarch and rust_target jinja variables in blueprint script ([dcab1691](https://github.com/upciti/ops2deb/commit/dcab169133e9935adac4b1710ea69e7644194350))
* allow env variables in blueprint main string fields ([3ef0b461](https://github.com/upciti/ops2deb/commit/3ef0b461866b81e5fc4209f2aa911eee47ff64ec))