💡 [REQUEST] - New recipe tutorial on implementing a Keras progress bar

[loganthomas]

🚀 Describe the improvement or the new tutorial

This tutorial will help users to understand better how to implement a Keras progress bar in PyTorch.

• How to implement with a traditional train/test loop
• How to implement with a train loop with validation data

Existing tutorials on this topic

No response

Additional context

I created this draft (https://github.com/pytorch/tutorials/pull/2921) as a part of the PyTorch Docathon H1 2024 effort. I did not realize new tutorials weren't being accepted as part of the sprint and was asked to fill out an issue and convert the PR to a draft.