Dim screen TBeam

Hmm. We are just using the default settings provided by the OLED library we use. But I’ve used this same chip on a previous project and the OLED brightness is controllable. Alas, I think (unless others say this is a problem) I’ll probably not work on it until after 1.0 (a few weeks from now). If someone else wants to tackle this sooner I’m happy to give tips (and I’ve added some notes in this bug):