Added SwiftyWalkthrough to the "Walkthrough / Intro / Tutorial" section.

README.md

@@ -329,6 +329,7 @@ Projects in Swift language will be marked with :large_orange_diamond: and :watch
  * [JazzHands](https://github.com/IFTTT/JazzHands) - Jazz Hands is a simple keyframe-based animation framework for UIKit. Animations can be controlled via gestures, scroll views, KVO, or ReactiveCocoa.
  * [RazzleDazzle](https://github.com/IFTTT/RazzleDazzle) - A simple keyframe-based animation framework for iOS, written in Swift. Perfect for scrolling app intros. :large_orange_diamond:
  * [Instructions](https://github.com/ephread/Instructions) - Easily add customizable coach marks into you iOS project. :large_orange_diamond:
+ * [SwiftyWalkthrough](https://github.com/ruipfcosta/SwiftyWalkthrough) - The easiest way to create a great walkthrough experience in your apps, powered by Swift. :large_orange_diamond:
 
 ### URL Scheme
  * [WAAppRouting](https://github.com/Wasappli/WAAppRouting) - iOS routing done right. Handles both URL recognition and controller displaying with parsed parameters. All in one line, controller stack preserved automatically!