lib.units: make preset strings translatable
lib.units: make preset strings translatable

Turbo87/skylines,Turbo87/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,Harry-R/skylines,Turbo87/skylines,TobiasLohner/SkyLines,Turbo87/skylines,RBE-Avionik/skylines,shadowoneau/skylines,shadowoneau/skylines,RBE-Avionik/skylines,dkm/skylines,skylines-project/skylines,Harry-R/skylines,snip/skylines,Harry-R/skylines,dkm/skylines,shadowoneau/skylines,kerel-fs/skylines,Harry-R/skylines,TobiasLohner/SkyLines,snip/skylines,TobiasLohner/SkyLines,dkm/skylines,skylines-project/skylines,skylines-project/skylines,shadowoneau/skylines,skylines-project/skylines,kerel-fs/skylines,snip/skylines,kerel-fs/skylines,dkm/skylines