Add batch_size parameter for predict() and cli

[johnbradley]

Adds --batch-size for predict command.
Adds batch_size to classifier predict() function.
Default batch size is 10.
Updates early notebooks to process images in a batch.

Fixes #80

[Copilot]

Copilot reviewed 6 out of 7 changed files in this pull request and generated 2 comments.

Files not reviewed (1)

• examples/PredictImages.ipynb: Evaluated as low risk

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tests/test_predict.py:1

• Missing import for torch and EXAMPLE_CAT_IMAGE, EXAMPLE_CAT_IMAGE2. Add these imports to avoid import errors.

import unittest

[hlapp]

👍

[egrace479]

Nice!