add uda (e.g. @csvIgnore) support in std.csv?

[mw]

On Saturday, 10 October 2020 at 10:13:55 UTC, 9il wrote:
>
> Ready to use module for this purpose.
> http://mir-algorithm.libmir.org/mir_serde.html

Nice, but this is in a 3rd-party library, and std.csv is the 
DLang standard library.

Maybe can you create a PR just contribute this module to std?

(I've read there are some issues regarding licensing to 
contribute the whole mir to stb lib).