plugins/hello_world/pyproject.toml
plugins/voila/pyproject.toml

plugins/hello_world/setup.cfg
plugins/voila/setup.cfg

plugins/hello_world/requirements-dev.in
plugins/voila/requirements-dev.in

plugins/hello_world/setup.py
plugins/voila/setup.py

plugins/hello_world/hello_world/__init__.py
plugins/voila/voila/__init__.py