Release v0.2.0 (#16)

* docs: Add CLAUDE.md with project guidelines

- Complete project structure overview
- Common commands and workflows
- Release process (always use ./scripts/release.sh)
- Architecture details and optimizations
- Linting, testing, and CI/CD guides
- Troubleshooting tips

This file provides context for Claude Code to work more effectively
with the project without repeating instructions.

* Add CHANGELOG.md for release tracking

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* RELEASE: v0.2.0

This release updates:
- version.py: 0.1.0 → 0.2.0
- CHANGELOG.md: Added release section for v0.2.0

After merging this PR:
- publish.yml workflow will trigger automatically
- Package will be built and published to PyPI
- GitHub release will be created with tag v0.2.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>

Author: vilsonrodrigues

CHANGELOG.md

@@ -0,0 +1,37 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.2.0] - 2025-11-27
+
+### Added
+- Comprehensive benchmark suite with statistical analysis
+- Support for nested configuration via environment variables
+- Improved documentation with accurate performance claims
+
+### Changed
+- Moved benchmark files to dedicated `/benchmark` directory
+- Updated performance benchmarks: 2.7x faster than pydantic-settings
+- Enhanced benchmark with 10 runs and statistical validation
+
+### Fixed
+- Merge-bot workflow now correctly handles PR branch checkouts
+- Lint and formatting issues in benchmark code
+
+## [0.1.0] - 2025-01-15
+
+### Added
+- Initial release
+- BaseSettings class for environment-based configuration
+- .env file support via python-dotenv
+- Type validation using msgspec
+- Support for common types: str, int, float, bool, list
+- Field prefixes and delimiters
+- Case-sensitive/insensitive matching
+- JSON schema generation
+- Performance optimizations with bulk JSON decoding

src/msgspec_ext/version.py

@@ -1 +1 @@
-__version__ = "0.1.0"
+__version__ = "0.2.0"