controllers/upload: Added comments to IterateFiles()
controllers/upload: Added comments to IterateFiles()

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