Update readme.md (#136)

Author: Arhell

readme.md

@@ -22,6 +22,8 @@ composer require "codeception/module-symfony" --dev
 
 See [the module documentation](https://codeception.com/docs/modules/Symfony).
 
+[Changelog](https://github.com/Codeception/module-symfony/releases)
+
 ### How to Contribute
 
 See [the contribution guide](/CONTRIBUTING.md).
@@ -30,4 +32,4 @@ See [the contribution guide](/CONTRIBUTING.md).
 
 `Codeception Module Symfony` is open-sourced software licensed under the [MIT](/LICENSE) License.
 
-© Codeception PHP Testing Framework
+© Codeception PHP Testing Framework