Experimental Rust bindings to NVIDIA TensorRT-RTX for high-performance inference.

Features:
- Safe Rust API with RAII memory management
- Mock mode for development without GPU
- ONNX parser integration
- CUDA memory management
- rustnn-compatible executor API
- Comprehensive error handling

⚠️  EXPERIMENTAL - NOT FOR PRODUCTION USE

This release is experimental and published to reserve the crate names.