use font_preview.mf only for preview
deploy from dev branch to staging
sort fonts alphabetically (adjuster 1.)
update adjuster metafont text
add adjuster hello world images

the random algorithm now works on the files that
need to be read for randomly selecting a sample,
as the languages are not the same anymore for
each one of the sequence numbers.
update metafonts adjuster derivations
update metafonts adjuster showcase