add README

README.md

@@ -3,12 +3,11 @@
 This dataset is part of the OpenFACADES project. For detailed information about the dataset, please visit the [OpenFACADES GitHub repository](https://github.com/seshing/OpenFACADES).
 
 ## Contents
-- Building footprints
-- Geospatial data
-- Processed images
+- Individual building images
+- JSONL files for training vision-language models (VLM)
 
 ## Usage
 This dataset is intended for research and development purposes. Please ensure proper attribution to the OpenFACADES project when using this dataset.
 
 ## License
-Refer to the OpenFACADES repository for licensing details.
+This dataset is licensed under the [Creative Commons Attribution 4.0 International (CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/) license.