Update changelog

Author: Kruhlmann

CHANGELOG.md

@@ -7,10 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [1.0.0]
 
+### Changed
+
+- Reduced image size by 90%
+
+## [1.0.0]
+
 ### Added
 
 - Working UEFI bootloader
 - Functional documentation
 
-[unreleased]: https://github.com/Kruhlmann/re-bootloader/compare/1.0.0...HEAD
+[unreleased]: https://github.com/Kruhlmann/re-bootloader/compare/1.0.1...HEAD
+[1.0.1]: https://github.com/Kruhlmann/re-bootloader/compare/1.0.0...1.0.1
 [1.0.0]: https://github.com/Kruhlmann/re-bootloader/releases/tag/1.0.0]