Add CHANGELOG

CHANGELOG.md

@@ -0,0 +1,70 @@
+CHANGELOG
+=========
+
+### [1.9.0](https://github.com/webeweb/highcharts-bundle/tree/v1.9.0) (2021-02-09)
+
+> IMPORTANT NOTICE: The following Symfony versions are now supported
+> - Symfony 4.0
+> - Symfony 4.1
+> - Symfony 4.2
+> - Symfony 4.3
+> - Symfony 4.4
+
+> IMPORTANT NOTICE: The following PHP versions are now supported
+> - PHP 7.3
+> - PHP 7.4
+
+- Add CHANGELOG
+- Complete merge-request 
+- Update CI configuration
+- Update dependencies
+- Update LICENSE
+
+### [1.8.0](https://github.com/webeweb/highcharts-bundle/tree/v1.8.0) (2018-07-12)
+
+- Improve code quality
+- Improve unit tests
+
+### [1.7.0-alpha](https://github.com/webeweb/highcharts-bundle/tree/v1.7.0-alpha) (2018-04-17)
+
+- Add PHP 7.2 support
+- Improve PHPDoc
+- Improve unit tests
+- Remove final keyword  
+- Update CI configuration
+- Update dependencies
+
+### [1.6.0](https://github.com/webeweb/highcharts-bundle/tree/v1.6.0) (2017-11-16)
+
+- Add Highcharts lang provider
+- Improve unit tests
+
+### [1.5.0](https://github.com/webeweb/highcharts-bundle/tree/v1.5.0) (2017-11-10)
+
+- Improve code quality
+- Improve PHPDoc
+- Improve unit tests
+
+### [1.4.0](https://github.com/webeweb/highcharts-bundle/tree/v1.4.0) (2017-10-19)
+
+- Improve unit tests
+
+### [1.3.0](https://github.com/webeweb/highcharts-bundle/tree/v1.3.0) (2017-10-07)
+
+- Update CI configuration
+- Update dependencies
+
+### [1.2.0](https://github.com/webeweb/highcharts-bundle/tree/v1.2.0) (2017-10-16)
+
+- Fix files permissions
+- Improve unit tests
+
+### [1.1.0](https://github.com/webeweb/highcharts-bundle/tree/v1.1.0) (2017-10-11)
+
+- Add CI configuration
+- Improve code quality
+- Update dependencies
+
+### [1.0.0](https://github.com/webeweb/highcharts-bundle/tree/v1.0.0) (2017-10-07)
+
+- Initial release