v2.8.1

Headline

• Update to .NET 8
• Addition of Node.js, Go and Rust demos
• A \potentially breaking update for module writers due to a rename of some script variables and the reorg of setup script files.
• Support for new Multi-modal Phi-3 LLM

Other

• Improvements to setup
• Corrections for detecting CUDA in Python scripts
• Support for JSON requests to server