Add schema.org vocabulary from description file

Julien LepillerTue May 05 00:56:40+0200 2020

f790332

guile-fediverse/build-aux
namelast commitdate
guile.amInitial commitMon Jan 27 04:25:28+0100 2020
test-driver.scmInitial commitMon Jan 27 04:25:28+0100 2020