update readme and create necessary folders

README.md

@@ -1,4 +1,18 @@
 ---
+configs:
+  - config_name: default
+    data_files:
+      - split: en
+        path: data/ultrafineweb_en/*
+      - split: zh
+        path: data/ultrafineweb_zh/*
+    features:
+      - name: content
+        dtype: string
+      - name: score
+        dtype: float
+      - name: source
+        dtype: string
 task_categories:
 - text-generation
 language:
@@ -8,4 +22,43 @@ pretty_name: Ultra-FineWeb
 size_categories:
 - n>1T
 ---
-# Ultra-FineWeb
+# Ultra-FineWeb
+
+- [📜 Technical Report]()
+- [💻 Github Repo]()
+- [🤗 Classifier Models]()
+
+</div>
+
+## 📚 Introduction
+
+Ultra-FineWeb datasets contains approximately 1 trillion English tokens and 120 billion Chinese tokens.
+
+## 📢 What's New
+
+- **[2025.xx.xx]** **Ultra-FineWeb** technical report is available on [arXiv](). 🔥🔥🔥
+- Datasets and models are coming soon... 🔜🚀
+
+## 💡 Highlights
+
+## 📈 Evaluation Results
+
+## ❤️ Acknowledgements
+
+- The ***Ultra-FineWeb classifier*** is built based on [fastText](https://fasttext.cc/). 
+- The ***Ultra-FineWeb-en dataset*** is built based on [FineWeb](https://huggingface.co/datasets/HuggingFaceFW/fineweb). 
+- The ***Ultra-FineWeb-zh dataset*** is constructed based on [IndustryCorpus2](https://huggingface.co/datasets/BAAI/IndustryCorpus2), [MiChao](https://opendatalab.com/OpenDataLab/MiChao), [WuDao](https://data.baai.ac.cn/details/WuDaoCorporaText), [SkyPile](https://huggingface.co/datasets/Skywork/SkyPile-150B), [WanJuan](https://opendatalab.com/OpenDataLab/WanJuanCC), [ChineseWebText](https://huggingface.co/datasets/CASIA-LM/ChineseWebText2.0), [TeleChat](https://huggingface.co/datasets/Tele-AI/TeleChat-PTD), and [CCI3](https://huggingface.co/datasets/BAAI/CCI3-Data).
+
+Thanks for their awesome work! Open-source contributions make Ultra-FineWeb possible! 🙌
+
+## 🌟 Citation
+
+If you find our work useful, please consider citing:
+
+```bibtex
+Coming soon...
+```
+
+## 💳 License
+
+This project is released under the [MIT](./LICENSE). Please note that since ***Ultra-FineWeb*** is built using multiple datasets, users should check the **LICENSE of each dataset individually** to ensure proper usage and compliance.