Add an elegant loading animation in Swift

Demo

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
LoadingExample.xcodeproj		LoadingExample.xcodeproj
LoadingExample.xcworkspace		LoadingExample.xcworkspace
LoadingExample		LoadingExample
LoadingExampleTests		LoadingExampleTests
LoadingExampleUITests		LoadingExampleUITests
Pods		Pods
Podfile		Podfile
Podfile.lock		Podfile.lock
README.md		README.md