README: add a new section on WezTerm integration

gitignore: ignore .uuid files created by fc-cache

bdf: force ISO10646-1 encoding for Unicode support

regenerate for hand-tweaked Powerline, 7x13, PSF

move *.bdf and *.png into their own subfolders too

upgrade Tamsyn v1.11; drop 6x11, 7x12, 8x17 fonts

tamsyn-font-1.11

tamsyn-font-1.10

upgrade to Tamsyn v1.9

tamsyn-font-1.9