make unstable use kicad-libraries
still using a link in $out..., not sure that's a bad thing
this allows setting that path in makeWrapperArgs
can't use $out there
kicad-with-packages3d -> kicad and kicad-small
default to OCCT, OCE is outdated
enforce OCCT on aarch64, where OCE is broken
withOCE flag allows using OCE on non-aarch64