Add scanning mode that works on language model and frequency

[willwade]

• Watch https://www.youtube.com/watch?v=HtPYEFwMhHo
• Paper and GitHub repo: https://arxiv.org/abs/2204.09745 - https://github.com/mrdaly/colorcode

So - how would I envisage this working in CBoard? You need to attach a language model to CBoard. I recommend looking at Mozolm. Each word would need a weighting and as you select a word the scanning pattern selection would need to change.

@gavinhenderson may have a better idea