Merge pull request #7 from AleksandrSl/changelog-update-v1.0.0

Changelog update - `v1.0.0`

Author: AleksandrSl

CHANGELOG.md

@@ -3,8 +3,10 @@
 # Browserslist Changelog
 
 ## [Unreleased]
-### Changed
-- Compatible IDEs are changed. I'll need JavaScript plugin later, so only paid IDEs that has it are targeted
+
+## [1.0.0]
+### Changed
+- Compatible IDEs are changed. I'll need JavaScript plugin later, so only paid IDEs that has it are targeted
 - All tokens are case-insensitive now. `LaSt 8 ChRoMe vERsions` for the world
 
 ## [1.0.0-eap-2]