CHANGLOG.mdを追加。

Author: suikan4github

CHANGELOG.md

@@ -0,0 +1,17 @@
+# Change log
+History of the project development
+
+## [Unreleased] yyyy-mm-zz
+### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+### Known Issue
+
+## [v1.0.0] 2024-09-28
+最初のリリース。
+
+[Unreleased]: https://github.com/suikan4github/PaleALE/compare/v1.0.0...develop
+[v1.0.0]: https://github.com/suikan4github/PaleALE/compare/v0.0.0...v1.0.0