Update CONTRIBUTING.md
Update CONTRIBUTING.md
sachinvas/Swifter,SwifterSwift/SwifterSwift,omaralbeik/SwifterSwift,SD10/SwifterSwift,LucianoPAlmeida/SwifterSwift,SwifterSwift/SwifterSwift,sachinvas/Swifter,tache/SwifterSwift,LucianoPAlmeida/SwifterSwift,tache/SwifterSwift,SD10/SwifterSwift,SD10/SwifterSwift,omaralbeik/SwifterSwift,SwifterSwift/SwifterSwift