What IS the contribution flow for a designer, anyway? If they can't submit a PR, it seems like the best they can do is submit an issue with a mockup. Are volunt

What IS the contribution flow for a designer, anyway? If they can't submit a PR, it seems like the best they can do is submit an issue with a mockup. Are volunteer developers likely to jump on that and implement it? Most developers I've worked with don't exactly love going back and forth with designers on UI stuff.