Update README.md

README.md

@@ -98,6 +98,8 @@ dataset/
 │   │   └── ISPY2_982505.nii.gz
 │   ├── dwi_channel_mapping.json
 │   └── dwi_channel_mapping_explanation.txt
+├── dataset.json
+└── breastdivider_id_mapping.csv
 ```
 
 - `imagesTr_batch1` & `imagesTr_batch2`: Training images in .nii.gz format (split into two batches).
@@ -105,7 +107,8 @@ dataset/
 - `lesion_annotations/classification`: Contains classification.csv with 3021 lesion classification targets.
 - `lesion_annotations/segmentation`: Contains 467 lesion segmentation masks for bilateral images from the Mama Mia dataset.
 - `lesion_annotations/dwi_channel_mapping.json` contains the mapping for breast lesion classification and breast lesion segmentation, indicating which DWI MRI phase image corresponds to which image in the dataset.
-
+- `dataset.json`: nnU-Net style dataset metadata
+- `breastdivider_id_mapping.csv`: Mapping between original dataset IDs and internal BreastDivider IDs
 ---
 
 ## 📄 Citation