[tex-hyphen] Hyphenation of Uyghur

[Javier Bezos]

> I'd like to investigate, too. Can you send a few hyphenated
> words? Or a few patterns.

I've investigated and devised for luatex a mechanism based on the
old good hyphenations patterns while preserving the joining forms
(at least, the basic ones - initial, medial and final):

https://github.com/latex3/babel/blob/master/news-guides/news/whats-new-in-babel-3.57.md#uyghur-hyphenation-lua

Javier