Currently contains just one very silly Phong->PBR conversion utility,
but eventually it'll provide tools for simplifying, merging and
deduplicating materials.
I kinda get the point, to avoid rogue third parties tainting my
ŕepositories with nasty backdoors, yes, but unless *everything* on the
way to the server including DNS queries is encrypted, then it's still
just a half of the solution and any silly corporate firewall can still
prevent me from cloning stuff from github dot com.
It's not using Android's native Vulkan library because that's only since
Android 24 and emulator for that version doesn't even start. So we use
our own minimal driver instead.