Update README.md

# Global Wheat Detection Dataset (Hugging Face Version)

This is the **Global Wheat Detection** dataset originally from Kaggle, formatted for Hugging Face Datasets.

## Dataset Details
- 3,000+ training images with bounding box annotations
- Task: Object Detection
- License: CC BY 4.0

## Structure
- `image`: Image object
- `boxes`: Bounding boxes in `[x_min, y_min, x_max, y_max]`
- `labels`: Category id (0 = wheat)

## Citation
Please cite the original dataset:
https://www.kaggle.com/c/global-wheat-detection

README.md

@@ -21,4 +21,13 @@ configs:
   data_files:
   - split: train
     path: data/train-*
----
+license: mit
+task_categories:
+- object-detection
+language:
+- en
+tags:
+- agriculture
+size_categories:
+- 1K<n<10K
+---