Merge pull request vsouza#1115 from nschucky/master

Add Interstellar by @JensRavens to Reactive Programming section

README.md

@@ -1003,6 +1003,7 @@ Most of these are paid services, some have free tiers.
 * [Render](https://github.com/alexdrone/Render) - Swift and UIKit a la React. :large_orange_diamond:
 * [RxAutomaton](https://github.com/inamiy/RxAutomaton) - RxSwift + State Machine, inspired by Redux and Elm. :large_orange_diamond:
 * [ReactiveArray](https://github.com/Wolox/ReactiveArray) - An array class implemented in Swift that can be observed using ReactiveCocoa's Signals. :large_orange_diamond:
+* [Interstellar](https://github.com/JensRavens/Interstellar) - Simple and lightweight Functional Reactive Coding in Swift for the rest of us. :large_orange_diamond:
 
 ### Reflection
 * [Reflection](https://github.com/Zewo/Reflection) - Reflection provides an API for advanced reflection at runtime including dynamic construction of types. :large_orange_diamond: