[WIP] Add README file for HOI-MLLM project

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

帮我生成readme.md

git clone https://github.com/yourname/HOI-MLLM.git
cd HOI-MLLM
pip install -r requirements.txt

🚀 Training

Supervised Fine-Tuning (SFT)
GRPO Post-training

📁 Repository StructureHOI-MLLM/
├── data/
│ ├── sft/
│ └── cot/
├── models/
├── training/
│ ├── sft/
│ └── grpo/
├── evaluation/
├── scripts/
└── README.md

📄 Paper

Towards Open-World Human-Object Interaction Reasoning with Multimodal Large Language Models
Eastman Z. Y. Wu, Yali Li, Shengjin Wang

等等

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