Support informal `NO_COLOR` standard

[b5]

details are here: https://no-color.org/

basically, I think we should honor the NO_COLOR=1 env var convention and nix any ANSI color on the terminal when this value is set and nonempty. Once we've done so, we should submit a PR here to add ourselves to the list of projects that support

[azzamsa]

I am ready to tackle this.

Please ping me if the team wants to add --color auto/always/never/ and respect NO_COLOR env var.

[flub]

I am ready to tackle this.

Please ping me if the team wants to add --color auto/always/never/ and respect NO_COLOR env var.

@azzamsa sure, we'd accept a PR for this

[azzamsa]

It turns out that Iroh-CLI uses the Colored under the hood, which supports NO_COLOR out of the box. You can check out its features here: https://github.com/colored-rs/colored?tab=readme-ov-file#features.

The current version of Iroh-CLI already respects the NO_COLOR environment variable, thanks to Colored.

• When NO_COLOR is not set:

• When NO_COLOR is set:

If my assumption is correct, then will open a PR here https://github.com/jcs/no_color

[flub]

Nice! I guess this can be closed then. Feel free to re-open if that's a mistake though.