Add a "fauxcyrillic" font that uses a few Cyrillic characters in place
of similarly-shaped Latin ones to create a Russian flavor in
mostly-English text.

This is reasonably close to the substitutions described at:

https://en.wikipedia.org/wiki/Faux_Cyrillic

Add a "fullcyrillic" font that replaces all of the Latin characters with
Cyrillic characters.

fonts.

documentation, and update fonts using the latest libcaca version.

no warranty clause to the fonts.

caca2tlf "Monospace 9" | zip >| fonts/mono9.tlf
      caca2tlf "Monospace Bold 12" | zip >| fonts/mono12.tlf

them with the uppercase ones.