Update README.md

Update README.md

Finalize Research Prototype README with correct YAML metadata and disclaimers

Update README.md

Finalize Research Prototype README with YAML metadata and specifications

Update Research Prototype README with YAML metadata

Add Research Prototype README with disclaimers

Initial upload of Nexus-0.7B base model weights and tokenizer

Upload Nexus-0.7B 4-bit quantized GGUF model

initial commit