🐛 fix(setup): remove hard-coded custom.css reference

The extension unconditionally added a custom.css stylesheet reference
that it never provided, causing 404 errors on themes that don't ship
their own custom.css.

Fixes #82

Author: gaborbernat

src/sphinx_argparse_cli/__init__.py

@@ -11,8 +11,6 @@
 
 
 def setup(app: Sphinx) -> dict[str, Any]:
-    app.add_css_file("custom.css")
-
     from ._logic import SphinxArgparseCli  # noqa: PLC0415
 
     app.add_directive(SphinxArgparseCli.name, SphinxArgparseCli)

tests/test_logic.py

@@ -49,6 +49,7 @@ def build_outcome(app: SphinxTestApp, request: SubRequest, monkeypatch: pytest.M
 @pytest.mark.sphinx(buildername="html", testroot="basic")
 def test_basic_as_html(build_outcome: str) -> None:
     assert build_outcome
+    assert "custom.css" not in build_outcome
 
 
 @pytest.mark.sphinx(buildername="text", testroot="complex")