docs: Add NXOpen resources guide and MCP system prompt

- Create comprehensive NXOpen resources documentation
- Document NXOpenTSE as reference (not dependency)
- Add MCP system prompt with NXOpen guidance
- Include best practices from The Scripting Engineer
- Update README with resource links
- Define LLM workflow for NXOpen code generation

Resources:
- Official Siemens NXOpen API docs
- NXOpenTSE documentation and examples
- Attribution and licensing guidelines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -244,6 +244,17 @@ Proprietary - Atomaste © 2025
 - **Issues**: GitHub Issues (private repository)
 - **Email**: support@atomaste.com
 
+## Resources
+
+### NXOpen References
+- **Official API Docs**: [Siemens NXOpen .NET Documentation](https://docs.sw.siemens.com/en-US/doc/209349590/)
+- **NXOpenTSE**: [The Scripting Engineer's Documentation](https://nxopentsedocumentation.thescriptingengineer.com/) (reference for patterns and best practices)
+- **Our Guide**: [NXOpen Resources](docs/NXOPEN_RESOURCES.md)
+
+### Optimization
+- **Optuna Documentation**: [optuna.readthedocs.io](https://optuna.readthedocs.io/)
+- **pyNastran**: [github.com/SteveDoyle2/pyNastran](https://github.com/SteveDoyle2/pyNastran)
+
 ---
 
 **Built with ❤️ by Atomaste** | Powered by Optuna, NXOpen, and Claude