Missing cm3 and mm3 volume units

Missing cm3 and mm3 volume units: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Measured::Volume already supports m3 , in3 , ft3 , liters and the various SI liter prefixes, but there's no support for cubic centimeters or cubic millimeters.