docs: huggingface-cli como método principal de descarga + troubleshooting Error: EOF

docs: change commercial contact email hello@ → neural@neural-ghost.com

docs(README): instrucciones de instalación completas (Ollama / llama.cpp / Transformers+LoRA) + troubleshooting + RAG pattern

Update README — table without Gemini (misconfigured client run, excluded)

Add README.md