Update README.md

Added OHHTTPStubs

README.md

@@ -189,6 +189,7 @@ Projects in Swift language will be marked with :🔶: feel free to add your proj
  * [Alamofire](https://github.com/Alamofire/Alamofire) - Alamofire is an HTTP networking library written in Swift, from the creator of AFNetworking. 🔶
  * [Transporter](https://github.com/nghialv/Transporter) - A tiny library makes uploading and downloading easier. 🔶
  * [CDZPinger](https://github.com/cdzombak/CDZPinger) - Easy-to-use ICMP Ping.
+ * [OHHTTPStubs](https://github.com/AliSoftware/OHHTTPStubs) - Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
 
 ### Push Notifications
  * [Orbiter](https://github.com/mattt/Orbiter) - Push Notification Registration for iOS.