Pynnex

Changed
- Added QR code generation example
- Added stock monitoring web application example

Added
- New FastAPI & SocketIO examples:
- QR code generation with real-time updates
- Interactive stock monitoring web application
- Improved documentation and screenshots

Added
- New FastAPI & SocketIO minimal example
- Demonstrates PynneX worker integration with web frameworks
- Shows real-time WebSocket communication
- Includes simple web frontend

Changed
- Enhanced logging configuration
- Added dictConfig support
- Improved logging setup documentation
- Fixed worker stop signal handling

Changed
- Replace direct asyncio.create_task with queue_task method in examples
- Clarify worker thread function naming
- Add proper worker state checks in test teardown

Changed
- Improved worker pattern task cancellation
- Simplify task result handling by moving it to try block
- Remove redundant cancelled flag

Changed
- Improved worker pattern implementation:
- Added state machine (CREATED, STARTING, STARTED, STOPPING, STOPPED)
- Added thread-safe task queue with pre-loop buffering
- Replaced run() method with started signal listener pattern
- Enhanced worker lifecycle management and cleanup
- Added detailed debug logging for worker operations
- Updated documentation and examples:
- Added complete runnable worker examples
- Updated API documentation to reflect new worker pattern
- Improved README examples with async context

Changed
- Renamed signal/slot terminology to emitter/listener across the API:
- signal → emitter (aliases: signal, publisher)
- slot → listener (aliases: slot, subscriber)
- with_signals → with_emitters (aliases: with_signals, with_publishers)
- Updated all documentation and examples
- Kept old terms as aliases for backward compatibility
- Updated logging namespaces from signal/slot to emitter/listener