ember: Add "format-seconds" helper
ember: Add "format-seconds" helper

Turbo87/skylines,Turbo87/skylines,RBE-Avionik/skylines,skylines-project/skylines,skylines-project/skylines,shadowoneau/skylines,RBE-Avionik/skylines,skylines-project/skylines,shadowoneau/skylines,kerel-fs/skylines,shadowoneau/skylines,Harry-R/skylines,Turbo87/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Turbo87/skylines,shadowoneau/skylines,Harry-R/skylines,skylines-project/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Harry-R/skylines,Harry-R/skylines