Merge pull request #7 from pusher/release/0.3.0

Update the CHANGELOG file for v0.3.0 release

Author: danielrbrowne

CHANGELOG.md

@@ -4,7 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/pusher/NWWebSocket/compare/0.2.1...HEAD)
+## [Unreleased](https://github.com/pusher/NWWebSocket/compare/0.3.0...HEAD)
+
+## [0.3.0](https://github.com/pusher/NWWebSocket/compare/0.2.1...0.3.0) - 2020-10-16
+
+### Added
+
+- [Cocoapods](https://cocoapods.org/) support.
 
 ## [0.2.1](https://github.com/pusher/NWWebSocket/compare/0.2.0...0.2.1) - 2020-10-16