update changelog

Author: Babichev Maxim

changelog.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [2.3.0] - 2019-05-13
 ### Added
 - Add support Themosis Framework
 
@@ -210,7 +212,8 @@ The operation is now executed in the transaction and updates the new `refund` fi
 - Exceptions: AmountInvalid, BalanceIsEmpty.
 - Models: Transfer, Transaction.
 
-[Unreleased]: https://github.com/bavix/laravel-wallet/compare/2.2.2...HEAD
+[Unreleased]: https://github.com/bavix/laravel-wallet/compare/2.3.0...HEAD
+[2.3.0]: https://github.com/bavix/laravel-wallet/compare/2.2.2...2.3.0
 [2.2.2]: https://github.com/bavix/laravel-wallet/compare/2.2.1...2.2.2
 [2.2.1]: https://github.com/bavix/laravel-wallet/compare/2.2.0...2.2.1
 [2.2.0]: https://github.com/bavix/laravel-wallet/compare/2.1.0...2.2.0