Revert "Removed locally hosted polyfills from grunt task"
Revert "Removed locally hosted polyfills from grunt task"

This reverts commit 665f2fe1da535079bb51eea60ccf35fc693a5ac4.

AutoScout24/showcar-ui,AutoScout24/showcar-ui,AutoScout24/showcar-ui,AutoScout24/showcar-ui