Update Changelog.

Author: irazasyed

CHANGELOG.md

@@ -2,6 +2,47 @@
 
 All notable changes to `telegram` will be documented in this file
 
-## 1.0.0 - 2016-08-XX
+## 0.2.0 - 2020-02-19
 
-- Initial Release
+- Laravel 7 Support.
+- Support response handling from Telegram.
+
+## 0.1.1 - 2019-11-07
+
+- Support PHP 7.1 and up.
+
+## 0.1.0 - 2019-10-11
+
+- New Helper Methods to work with file attachments.
+- Code cleanup.
+- Documentation updated with more examples and previews.
+- Micro optimization and improvements.
+- Typehint and return type declaration.
+- Fixed tests.
+
+## 0.0.6 - 2019-09-28
+
+- Laravel 6 Support.
+- Add Photo, Document, Audio, Location and other file notification type support.
+- Token getter and setter.
+
+## 0.0.5 - 2018-09-08
+
+- Laravel 5.7 Support.
+- Add ability to change button columns.
+
+## 0.0.4 - 2018-02-08
+
+- Laravel 5.6 Support.
+
+## 0.0.3 - 2017-09-01
+
+- Laravel 5.5 Support with Auto-Discovery.
+
+## 0.0.2 - 2017-03-24
+
+- Laravel 5.4 Support.
+
+## 0.0.1 - 2016-08-14
+
+- Initial Release.