Does NOT work with Oxygen Builder

Hey @jknouse,

thanks for your review.

I removed that from the readme now.

However, Oxygen Builder is supported by Passster.
I even wrote an entire tutorial about that right here: https://patrickposner.dev/tutorials/password-protect-sites-with-oxygen-builder/

But, I must admit that you need at least some experience with Oxygen Builder to make that work (like adding a header and footer to your theme).

Thanks again,
Patrick