Include hands-on practice section in CLI best practices (#59830)

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Claire W <78226508+crwaters16@users.noreply.github.com>

Author: 3 people

content/copilot/how-tos/copilot-cli/cli-best-practices.md

@@ -483,6 +483,9 @@ To submit private feedback to {% data variables.product.github %} about {% data
 /feedback
 ```
 
+## Hands-on practice
+Try the [Creating applications with {% data variables.copilot.copilot_cli_short %}](https://github.com/skills/create-applications-with-the-copilot-cli) Skills exercise for practical experience building an application with {% data variables.copilot.copilot_cli_short %}.
+
 ## Further reading
 
 * [AUTOTITLE](/copilot/concepts/agents/about-copilot-cli)