update: enhance README with dataset download instructions and non-LFS pull guidance

README.md

@@ -12,7 +12,9 @@ The individual datasets are stored as zip files in the `zip` directory. The util
     
 eg: `hf upload us-segmentator/us-segmentation-dataset local_path_to_zip_file.zip zips/<anatomy_name>/<zip_file_name>.zip --repo-type dataset --commit-message "add-dataset: <dataset_name>"`
 
-To Download the dataset, use the following command:
+## Instructions for downloading the dataset
+
+### CLI
 1. Make sure you have git lfs installed
 2. Run the following command:
 ```bash
@@ -25,3 +27,39 @@ hf download us-segmentator/us-segmentation-dataset --repo-type dataset --local-d
 4. The dataset will be downloaded to the local directory.
 
 > Note: The dataset can be downloaded without the --local-dir argument, but it will be downloaded the huggingface cache directory.
+
+### Python
+
+Use the `huggingface_hub` library to download specific files programmatically:
+
+```python
+from huggingface_hub import hf_hub_download
+
+file_path = hf_hub_download(
+    repo_id="us-segmentator/us-segmentation-dataset",
+    filename="zips/<anatomy_name>/<zip_file_name>.zip",
+    repo_type="dataset",
+    local_dir="local_path_to_download_directory"
+)
+
+print(f"File downloaded to: {file_path}")
+```
+
+## Pulling non-LFS changes only
+
+If you are only pulling repository updates like `README.md`, scripts, or other small files (and want to skip downloading large LFS zip datasets during pull), use:
+Use case: This is useful when you are contributing documentation/code changes and do not need the dataset zip files on your machine.
+
+### Linux/macOS
+
+```bash
+GIT_LFS_SKIP_SMUDGE=1 git pull
+```
+
+### Windows (PowerShell)
+
+```powershell
+$env:GIT_LFS_SKIP_SMUDGE=1
+git pull
+```
+