v2 rewrite

* rewrite UI with [ink](https://github.com/vadimdemedes/ink)
* all source files are now in the `src` folder
* make the default output compact by default, and make verbose output opt-in

**Breaking changes**
* `-v` is no longer a shortcut for `--version`. It's now a shortcut for `--verbose`
* `--compact` and `-c` were removed