Fix section spacing in pyproject.toml

Ensure all sections are separated by exactly one blank line as per
project formatting standards.

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

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

Author: rnixx

pyproject.toml

@@ -37,6 +37,7 @@ example = "yafowil.widget.wysihtml5.example:get_example"
 
 [tool.hatch.build.targets.wheel]
 packages = ["src/yafowil"]
+
 [tool.pytest.ini_options]
 consider_namespace_packages = true
 addopts = ["--import-mode=importlib"]