changelog added

CHANGELOG.md

@@ -0,0 +1,27 @@
+# Changelog
+
+## [0.1.0] - 2024-06-13
+
+- Initial release: rs_openshowvar library is published.
+- A Rust library that uses the OpenShowVar protocol to connect to Kuka robots and perform data read/write operations.
+
+## [0.1.1] - 2024-06-13
+
+- Removed redundant categories from `Cargo.toml`.
+
+## [0.1.2] - 2024-06-13
+
+- Corrected typos in the README.md file for better clarity and accuracy.
+
+## [0.1.3] - 2024-06-13
+
+- Fixed typos in the README.md file.
+
+## [0.1.4] - 2024-06-13
+
+- Erroneous sample code has been corrected.
+
+## [0.1.5] - 2024-06-13
+
+- Library definition errors have been fixed.
+- Additional information notes were added to the README.md section.