Release version 0.3.0: Enhance documentation and testing infrastructure

- Add auto-generated YARD documentation
- Implement GitHub Actions PR Agent workflow
- Add cross-platform test support (Ubuntu, macOS, Windows)
- Optimize function documentation generator
- Improve error handling and validation
- Update development dependencies
- Fix prices handling in multiple technical analysis functions
- Update version across project files

Author: Youngv

CHANGELOG.md

@@ -5,6 +5,21 @@ 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).
 
+## [0.3.0] - 2025-02-23
+
+### Added
+- Auto-generated YARD documentation
+- GitHub Actions PR Agent workflow
+- Cross-platform test support (Ubuntu, macOS, Windows)
+
+### Changed
+- Optimized function documentation generator
+- Improved error handling and validation
+- Updated development dependencies
+
+### Fixed
+- Fixed prices handling in multiple technical analysis functions
+
 ## [0.2.0] - 2025-01-21
 
 ### Added
@@ -39,5 +54,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Security
 - N/A
 
+[0.3.0]: https://github.com/TA-Lib/ta-lib-ruby/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/TA-Lib/ta-lib-ruby/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/TA-Lib/ta-lib-ruby/releases/tag/v0.1.0

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ta_lib_ffi (0.2.0)
+    ta_lib_ffi (0.3.0)
       fiddle (~> 1.1)
 
 GEM