how do I install the damn thing??
> I used to have a `brew tap` for it but I've removed it temporarily. To install it you can download the binary file in the latest release[0] and move it to your `/usr/local/bin` folder (on macOS this is what I'd do) or any other folder that is in your `$PATH`.
[0]: https://github.com/mattrighetti/envelope/releases/latest