Update LICENSE

LICENSE

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+---
+
+## ✅ `LICENSE`
+
+```text
+License: Non-Commercial Academic Research Use Only (Amazon Product Reviews 2023)
+
+This dataset is a derivative work based on the Amazon Product Reviews 2023 dataset published by Julian McAuley and the UCSD Computer Science Department.
+
+Original dataset repository:
+https://amazon-reviews-2023.github.io/index.html
+
+Use of this dataset is permitted under the following conditions:
+
+1. **Non-Commercial Use Only**  
+   This dataset may only be used for academic, educational, and non-commercial research purposes.
+
+2. **No Redistribution for Commercial Use**  
+   You may not resell, sublicense, or use this dataset or any derivative thereof in a commercial product or service.
+
+3. **Attribution Required**  
+   You must cite the original dataset and its authors when publishing work that uses this data.
+
+4. **Trimmed Derivative**  
+   This version includes 34 product categories and retains only the following columns:  
+   - `rating`  
+   - `title`  
+   - `text`  
+
+   The data is stored in sharded Parquet format for efficient access.
+
+5. **No Warranty**  
+   This dataset is provided "as is", without warranty of any kind, express or implied.
+
+By using this dataset, you agree to comply with these terms and the original license conditions provided by the dataset creators.
+
+For questions about the original license or broader usage rights, please refer to:
+https://amazon-reviews-2023.github.io/index.html