Ask HN: How to learn design and UX as a software engineer?

My current designing skills are non-existent: I live in the terminal and plain text emails make me happiest. I would like to broaden my skill set and learn web design/UX design.

There are plenty of resources to learn code: FreeCodeCamp, exercism, and tons of others.

What's something similar for learning to design web applications, websites, and UX/UI?