去除不必要菜单项 (在 package-comment.jsonc 中保存)；添加 CHANGELOG.md；删除 test-text-split.js

CHANGELOG.md

@@ -4,6 +4,29 @@ All notable changes to the "text-conversion" extension will be documented in thi
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
+All notable changes to this extension will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
 ## [Unreleased]
 
+### Added
+
+
+### Changed
+
+
+### Removed
+
+
+
+## 1.0.0
+
+### Added
+
+- Adds an editor context menu with submenu
+- Implement conversion to Camel Case, Pascal Case, Upper Case, Lower Case
+- Add test cases
 - Initial release