feat: Upgraded rm -r description to a callout

[ameynert]

Closes #153

• description of rm -r upgraded to a callout block to draw attention to the risks
• added bolded line "Important: this cannot be undone."
• added suggested use of rm -i to always prompt before deletion

Discussed on call with maintainers 30 May 2025.

[github-actions]

Thank you!

Thank you for your pull request 😃

🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

• 🎯 correct output
• 🖼️ correct figures
• ❓ new warnings
• ‼️ new errors

Rendered Changes

🔍 Inspect the changes: https://github.com/datacarpentry/shell-genomics/compare/md-outputs..md-outputs-PR-366

The following changes were observed in the rendered markdown documents:

 03-working-with-files.md | 16 ++++++++++++++--
 md5sum.txt               |  2 +-
 2 files changed, 15 insertions(+), 3 deletions(-)

What does this mean?

If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible.

This output provides a way for you to inspect the output in a diff-friendly manner so that it's easy to see the changes that occur due to new software versions or randomisation.

⏱️ Updated at 2025-05-30 17:39:20 +0000