Format uvx command in code block

Improves readability by placing the uvx command in a proper code block
instead of inline code formatting.

Changes:
- Move uvx command to its own code block
- Add introductory line before code block

Author: claude

README.md

@@ -73,7 +73,11 @@ See the [Versioning](#versioning) section for details on how this project's vers
 
 The Django Language Server can be installed using your preferred Python package manager or as a standalone binary.
 
-To try the language server without installing, use `uvx --from django-language-server djls serve`.
+To try the language server without installing:
+
+```bash
+uvx --from django-language-server djls serve
+```
 
 ### Install with a package manager (recommended)