v0.5.0 - iOS Batch Printing & Performance

Features

• iOS batch printing support with WebView pool for concurrent document processing
• Comprehensive documentation for PrintingConfiguration API in README
• Feature parity between iOS and macOS platforms for batch printing
• This CHANGELOG file to track version history
• Error handling with new PrintingError type for better debugging
• CI/CD workflows for automated testing and releases
• GitHub issue templates and contribution guidelines

Performance Improvements

• Test execution reduced from 28-39 seconds to 2.4 seconds
• Enhanced WebView pool management with better resource utilization
• Optimized concurrent document processing

Bug Fixes

• Task group sequential execution bug that prevented proper concurrent processing
• NSPrintOperation crashes on macOS (replaced with WKWebView.createPDF() API)
• Continuation double-resume crashes with thread-safe ContinuationHandler actor
• WebView pool race conditions with proper initialization synchronization

Infrastructure

• Multi-platform CI testing (macOS, iOS, Linux, Windows)
• Automated release workflow with artifact generation
• Benchmark testing for performance tracking
• Documentation generation and GitHub Pages deployment