- Introduced rate limiting functionality with multiple algorithms (Token Bucket, Fixed Window, Leaky Bucket, Sliding Window) via `RateLimiter` interface.
- Added CORS handling with `CorsConfig` and `CorsHandler` for flexible origin, headers, and method configuration.
- Implemented support for custom HTTP methods via `PATCH` and `CUSTOM` annotations in `AnnotationScanner`.
- Enhanced `HttpServer` to support builder pattern and optional integrations for CORS and rate limiting.
- Updated `HttpRequestHandler` to incorporate CORS and rate limiting logic.