Enhance tutorial with learning outcomes for skills exercise (#60644)

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Joe Clark <31087804+jc-clark@users.noreply.github.com>

Author: 3 people

content/copilot/tutorials/modernize-legacy-code.md

@@ -409,6 +409,12 @@ In this example, we looked at an account management system written in COBOL and
 
 Try the [Modernizing your legacy code with {% data variables.product.prodname_copilot %}](https://github.com/skills/modernize-your-legacy-code-with-github-copilot) Skills exercise for practical experience updating a legacy codebase with {% data variables.product.prodname_copilot %}.
 
+Here is what you will learn:
+* Analyze legacy COBOL code using {% data variables.copilot.copilot_chat %} to understand business logic
+* Generate documentation, including Mermaid data flow diagrams and test plans, with {% data variables.product.prodname_copilot_short %}
+* Modernize the codebase from COBOL to Node.js using {% data variables.product.prodname_copilot_short %}'s code transformation capabilities
+* Create comprehensive unit tests based on the generated test plan
+
 ## Further reading
 
 * [AUTOTITLE](/copilot/copilot-chat-cookbook/documenting-code/documenting-legacy-code)