Update CHANGELOG.md

Author: driesvints

CHANGELOG.md

@@ -1,10 +1,17 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/octane/compare/v0.1.1...master)
+## [Unreleased](https://github.com/laravel/octane/compare/v0.2.0...master)
 
-## v0.1.1 (2021-04-07)
 
-- Fix problem causing channel routes to be lost on each request.
+## [v0.2.0 (2021-04-13)](https://github.com/laravel/octane/compare/v0.1.1...v0.2.0)
+
+Various fixes and changes.
+
+
+## [v0.1.1 (2021-04-07)](https://github.com/laravel/octane/compare/v0.1.0...v0.1.1)
+
+Various fixes and changes.
+
 
 ## v0.1.0 (2021-04-06)