docs: add initial README

README.md

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-# Coming Soon...
+<h1 align='center'>WAM-Diff: A Masked Diffusion VLA Framework with MoE and Online Reinforcement Learning for Autonomous Driving</h1>
+<div align='center'>
+    <a href='https://github.com/xumingw' target='_blank'>Mingwang Xu</a><sup>1</sup>&emsp;
+    <a href='https://cuijh26.github.io/' target='_blank'>Jiahao Cui</a><sup>1*</sup>&emsp;
+    <a href='https://github.com/fudan-generative-vision/WAM-Flow' target='_blank'>Feipeng Cai</a><sup>2*</sup>&emsp;
+    <a href='https://github.com/NinoNeumann' target='_blank'>Hanlin Shang</a><sup>1*</sup>&emsp;
+    <a href='https://github.com/SSSSSSuger' target='_blank'>Zhihao Zhu</a><sup>1</sup>&emsp;
+    <a href='https://github.com/isan089' target='_blank'>Shan Luan</a><sup>1</sup>&emsp;
+</div>
+<div align='center'>
+    <a href='https://github.com/YoucanBaby' target='_blank'>Yifang Xu</a><sup>1*</sup>&emsp;
+    <a href='https://github.com/fudan-generative-vision/WAM-Flow' target='_blank'>Neng Zhang</a><sup>2</sup>&emsp;
+    <a href='https://github.com/fudan-generative-vision/WAM-Flow' target='_blank'>Yaoyi Li</a><sup>2</sup>&emsp;
+    <a href='https://github.com/fudan-generative-vision/WAM-Flow‘ target='_blank'>Jia Cai</a><sup>2</sup>&emsp;
+    <a href='https://sites.google.com/site/zhusiyucs/home' target='_blank'>Siyu Zhu</a><sup>1</sup>&emsp;
+</div>
+
+<div align='center'>
+    <sup>1</sup>Fudan University&emsp; <sup>2</sup>Yinwang Intelligent Technology Co., Ltd&emsp;
+</div>
+
+## 🔧️ Framework
+![framework](assets/main_arch.png)
+
+## 📅️ Roadmap
+
+| Status | Milestone                                                                                             |    ETA     |
+| :----: | :----------------------------------------------------------------------------------------------------: | :--------: |
+|   🚀   | **[Releasing the inference source code](https://github.com/fudan-generative-vision/WAM-Diff)** | 2025.12.21        |
+|   🚀   | **[Pretrained models on Huggingface](https://huggingface.co/fudan-generative-ai/WAM-Diff)**              | TBD        |
+|   🚀   | **[Releasing the training scripts](#training)**                                                          | TBD        |
+
+
+### Quick Inference Demo
+The [WAM-Diff](TBD) is now available on Hugging Face Hub. To quickly test the model, follow these simple steps:
+
+1. **Clone the repository**  
+   ```bash
+   git clone https://github.com/fudan-generative-vision/WAM-Diff
+   cd WAM-Diff
+   ```
+2. **Initialize the environment**  
+   Run the environment setup script to install necessary dependencies:
+   ```bash
+   bash init_env.sh
+   ```
+3. **Prepare the Model**
+    Download the pretrained WAM-Diff model from Hugging Face to the `./model/WAM-Diff` directory:
+    ```
+    https://huggingface.co/fudan-generative-ai/WAM-Diff
+    ```
+    Download the pretrained Siglip2 model from Hugging Face to the `./model/siglip2-so400m-patch14-384` directory:
+   ```
+   https://huggingface.co/google/siglip2-so400m-patch14-384
+   ```
+
+
+3. **Run the demo script**  
+   Execute the demo script to test WAM-Diff on an example image:
+   ```bash
+   bash ./train/inf.sh
+   ```
+
+
+## 🤗 Acknowledgements
+We gratefully acknowledge the contributors to the [LLaDA-V](https://github.com/ML-GSAI/LLaDA-V), repositories, whose commitment to open source has provided us with their excellent codebases and pretrained models.