Actually document #wontfix

[not monkyyy]

On Monday, 28 July 2025 at 19:27:24 UTC, monkyyy wrote:
> Bolded `#WONTFIX: countUntil does not provide indexs, and never 
> can`
>
> `#WONTFIX: isCallable doesnt untangle templated functions`
>
> `#WONTFIX: delegates dont mix well with loops`
>
> etc etc etc

In case you need help with ddoc, have a look at the following 
page:
https://dlang.org/spec/ddoc.html

Check out the "Predefined Macros" sections for details on 
formatting.

Once your changes are good to go, please submit a pull request:
https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request

Looking forward to seeing your improvements! :)