Change section heading to avoid overloaded 'template' term

Changed "Use nf-core tooling to create modules" to "Generate modules
with nf-core tools" to avoid confusion between pipeline templates and
module templates.

Addresses: #691 (comment)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: pinin4fjords

docs/hello_nf-core/04_make_module.md

@@ -594,7 +594,7 @@ However, you might want to keep it as a reference for understanding the differen
 
 ---
 
-## 2. Use nf-core tooling to create modules
+## 2. Generate modules with nf-core tools
 
 Now that you've learned the nf-core module patterns by applying them manually, let's look at how you'd create modules in practice.
 The nf-core project provides the `nf-core modules create` command that generates properly structured module templates with all these patterns built in from the start.