Revise and Resubmit

What's Changed

• Add/revise specific prompts about overfitting risks and recommendations for data subsetting strategies during iterative steps, which should help moderate users' choices and reduce overfitting potential in practice.
• Update README.md to accomodate subdirectory installation behaviour by @dhduncan in #14

New Contributors

• @dhduncan made their first contribution in #14

Full Changelog: v.0.0.9004...v.0.0.9005