v0.1.0

This release marks nearly full functionality of NuhxBoard. The only things missing are the graphical keyboard selection interface and background image support. I'm saving the graphical options interface for last, and the background image issue is the product of a limitation of iced. If too long goes by without a solution, I'll consider migrating to something else, perhaps Slint.

At any rate, this version of NuhxBoard is by and large usable, and I'm comfortable releasing it.