feat: Refine configuration options by converting models to record types and add a comprehensive configuration guide.

Author: aalmada

README.md

@@ -127,6 +127,7 @@ BookStore/
 - **[Architecture Overview](docs/architecture.md)** - System design and patterns
 - **[Aspire Deployment Guide](docs/aspire-deployment-guide.md)** - Deploy to Azure and Kubernetes
 - **[Production Scaling Guide](docs/production-scaling-guide.md)** - Scale applications and databases in production
+- **[Configuration Guide](docs/configuration-guide.md)** - Options pattern and validation
 - **[Performance Guide](docs/performance-guide.md)** - GC optimization and performance tuning
 - **[Testing Guide](docs/testing-guide.md)** - Testing with TUnit, assertions, and best practices
 - **[Wolverine Integration](docs/wolverine-guide.md)** - Command/handler pattern with Wolverine

docs/README.md

@@ -15,6 +15,7 @@ Welcome to the Book Store API documentation. This is an event-sourced book store
 - [API Conventions](api-conventions-guide.md)
 - [Aspire Deployment Guide](aspire-deployment-guide.md)
 - [Production Scaling Guide](production-scaling-guide.md)
+- [Configuration Guide](configuration-guide.md)
 - [Deployment](deployment.md)
 
 ## 🚀 Quick Start