Add A New Slide

## We Need More Slides
Grab another octocat and create a new slide from scratch.
If you need help, check out the Appendix in the training manual.

Start by reviewing the repository's existing slides and the Appendix in the training manual to understand the expected structure. Create one additional slide from scratch featuring an octocat, matching the existing slide format; done means the new slide is included with the rest of the presentation.

Rédigé par le modèle d'indexation à partir du texte de l'issue.