i18n: Updated Slovak translation
i18n: Updated Slovak translation

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