feat: complete Phase 5 - Order Lifecycle Management

- Implemented OrderTracker for comprehensive order lifecycle tracking
- Added async waiting mechanisms for order fills and status changes
- Created OrderChainBuilder for fluent API order construction
- Added pre-configured order templates (RiskReward, ATR, Breakout, Scalping)
- Integrated OrderTracker into TradingSuite with track_order() and order_chain() methods
- Created comprehensive example demonstrating all new features
- Removed need for manual order state tracking in strategies

BREAKING CHANGES:
- OrderTracker replaces manual order monitoring patterns
- OrderChainBuilder provides new API for complex orders
- Order templates standardize common trading patterns

Author: TexasCoding