[Feedback] Preserve JSX mode

Okay, I’m still a little confused. So, are there two things here?

• Preserve jsx doesn’t work with "module": "MyOwnJsx" in rescript.json? That could very well be the case.
• class is not respected? I think having your own JsxDOM.domProps will probably be a requirement there.

Could you maybe produce a sample repo? Would like to explore the first point there.