Add error logs to the training loop

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Description

This PR adds error logs to the training loop in order to track the loss and other metrics during the training process.

Summary of Changes

• Imported the logging module to enable logging functionality.
• Set up logging configuration using basicConfig function.
• Added logging statements to log the loss and other metrics at each epoch in the training loop.

Please review and merge this PR. Thank you!

Fixes #1.

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• [ ] Rollback changes to src/main.py

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