Added experimental PyTorch model training.

docs/reference/pt_data_loader.md

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+# Pt Data Loader
+Loads data from a dataset node and creates a PyTorch DataLoader.  
+
+**dataset**  
+Connect a PtvDataset node that provides the dataset.  
+
+**batch size**  
+Specifies the number of samples per batch.  
+
+**shuffle**  
+If True, shuffles the dataset before each epoch.
+
+## Input
+| Name | Data type |
+|---|---|
+| dataset | Ptvdataset |
+| batch_size | Int |
+| shuffle | Boolean |
+| parameters | String |
+
+## Output
+| Data type |
+|---|
+| Ptdataloader |
+
+<HR>
+Category: PyTorch wrapper - Training
+
+ComfyUI Data Analysis Node Reference. © 2025 Hide Inada (HowToSD.com). All rights reserved.