I would recommend you learn html/js/css simply because it's the easiest way to show things to other people. It also doesn't take very long to learn the basics. You should know enough to create a simple bootstrap / whatever.js site and self host it using github pages.
I would recommend you learn html/js/css simply because it's the easiest way to show things to other people. It also doesn't take very long to learn the basics. You should know enough to create a simple bootstrap / whatever.js site and self host it using github pages.