ref(mesh): add single value U/SInt8/16 vertex field types
ref(mesh): add single value U/SInt8/16 vertex field types

stardazed/stardazed-tx,stardazed/stardazed,zenmumbler/libzm,stardazed/stardazed,stardazed/stardazed-tx,zenmumbler/stardazed-tx,zenmumbler/libzm,zenmumbler/stardazed-tx,zenmumbler/stardazed-tx,stardazed/stardazed-tx,zenmumbler/libzm,zenmumbler/stardazed-tx,zenmumbler/libzm