feat: add exported packages for benchmarking, competition, and data utilities

- tinytorch/benchmarking/: Benchmark class for Module 19
- tinytorch/competition/: Submission utilities for Module 20
- tinytorch/data/: Data loading utilities
- tinytorch/utils/data/: Additional data helpers

Exported from modules 19-20 and module 08

tinytorch/utils/data/__init__.py

@@ -0,0 +1,16 @@
+"""
+TinyTorch Data Loading Utilities
+
+Following torch.utils.data patterns, this module provides:
+- Dataset: Base class for all datasets
+- DataLoader: Batching and shuffling for training
+- Common datasets for learning
+
+This is Module 10 of TinyTorch.
+"""
+
+# Import from dataloader module
+from .dataloader import *
+
+# Make key classes easily accessible
+__all__ = ['Dataset', 'DataLoader', 'SimpleDataset', 'CIFAR10Dataset']