Update README: only Llama, Mistral, Phi (paper models)

Remove LLaVA and Qwen2-VL data (not in paper)

Add Zenodo DOI to README

Upload EgoRA benchmark results: Llama 1B/3B/8B (Alpaca+Medical), cross-modal (Mistral-7B, Phi-3 Mini, LLaVA-7B, Qwen2-VL-7B), rotation geometry, threshold analysis

initial commit