Delete notebooks/model_training_and_finetuning.ipynb

Fix formatting of Step 2 header in README

Create README for notebooks directory

Create README.md for dataset directory

Add dependencies to requirements.txt

Delete scripts/02_sync_to_cloudflare.sh

Add Cloudflare R2 sync script

Add dataset download script for Chest X-Ray

Add sample_data to .gitignore

Add GitHub Actions workflow to sync with Hugging Face

Created using Colab

Initial commit