docs: add 4.2.2, 4.2.1 info; fix title s/4.2.0/4.2.2/; add SUPRO

Signed-off-by: Oleg Verych <olecom@gmail.com>
docs: make "Exo" font local

Signed-off-by: Oleg Verych <olecom@gmail.com>
docs: prettify data; remove examples it doesn't have; add supro

Signed-off-by: Oleg Verych <olecom@gmail.com>