v1.4.0 - Production-Ready ClickHouse Client

🚀 Release v1.4.0 - Production-Ready ClickHouse Client

🆕 New Features

• Enhanced ClickHouse Client: Comprehensive production-ready features
• Health Monitoring: Added HealthCheck() and IsConnected() methods
• Schema Validation: Comprehensive input validation with detailed errors
• Async Insert Support: Workload-specific optimizations (low/medium/high volume)
• Bulk Operations: Support for bulk inserts and upserts with ReplacingMergeTree
• Connection Management: Advanced connection pooling and resource management

💡 Improvements

• Better error handling with host:port context
• Comprehensive input validation for all methods
• Thread-safe operations with proper mutex usage
• Automatic resource cleanup on failures
• Production-ready configuration defaults
• Zero-reflection schema-based inserts for performance

🧪 Testing & Examples

• Added SimpleClickHouseExample for easy demonstration
• Comprehensive bulk performance tests with 50k+ rows
• IST timezone support for Indian operations
• Cleaned up project structure and examples

⚡ Performance Features

• Prepared statement caching
• Configurable batch processing
• Async insert optimizations
• Zero-reflection operations

🔄 Breaking Changes

None - Fully backward compatible

📋 What's Changed

• Enhanced ClickHouse client with production features
• Added health checks and monitoring capabilities
• Improved error handling and validation
• Better performance optimizations
• Comprehensive testing and examples