Fix ReadTheDocs build failure caused by missing _static directory#3

Copilot wants to merge 2 commits intoclaude/configure-sphinx-docs-ci-011CUhoChPtZt4YnCKB9Y4p8trissim/python-introspect:claude/configure-sphinx-docs-ci-011CUhoChPtZt4YnCKB9Y4p8from

copilot/sub-pr-2trissim/python-introspect:copilot/sub-pr-2Copy head branch name to clipboard