use current directory to support caching
[build]
+# Current directory usage for poetry is for caching purposes
command = """
restore_home_cache ".cache" "pip cache" &&
restore_cwd_cache '.venv' 'python virtualenv' &&
pip3 install -q poetry &&
+poetry config settings.virtualenvs.in-project true &&
poetry install -vvv --no-dev -E docs -E difficult &&
poetry run sphinx-build -W docs docs/_build/html
"""
