chore(changelog): add changelog file to document version history and changes made in the project

Author: tumf

CHANGELOG.md

@@ -0,0 +1,28 @@
+# Changelog
+
+## [1.0.1] - 2024-12-17
+
+### Added
+- Support for custom file encoding options
+- New file creation and line insertion capabilities
+- Absolute path enforcement for file operations
+- Append mode support for adding content at the end of files
+- Range hash validation for content integrity
+
+### Fixed
+- Improved error messages and handling for file operations
+- Enhanced file hash verification logic
+- Better handling of empty file content
+- Unified file_hash field naming across responses
+
+### Changed
+- Migrated to Pydantic models for better type validation
+- Simplified server code and improved consistency
+- Enhanced test coverage and code organization
+- Updated documentation for clarity
+
+## [1.0.0] - Initial Release
+
+- Line-oriented text editor functionality
+- Basic file operation support
+- Hash-based conflict detection