JP Simard e0f23fa8e9 Add --progress flag to lint and analyze commands (#4147) ...

Inspired by https://github.com/jkandzi/Progress.swift

```
4948 of 29100 [=====                         ] ETA: 44s (540 files/s)
```

Demo:

[![asciicast](https://asciinema.org/a/517985.svg)](https://asciinema.org/a/517985)

2022-08-31 18:26:17 -04:00

..

Configuration+CommandLine.swift

Add --progress flag to lint and analyze commands (#4147)

2022-08-31 18:26:17 -04:00