ranking/airports: Added country flags
ranking/airports: Added country flags

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