Revamp project structure for faster CI times

.gitignore

.gitlab-ci.yml

MANIFEST.in

conda/meta.yaml

pyproject.toml

setup.cfg

src/exposed/__init__.py

src/exposed/click.py

src/exposed/config.py

src/exposed/logging.py

src/exposed/rc.py

src/exposed/tests/__init__.py

src/exposed/tests/conftest.py

src/exposed/tests/data/__init__.py

src/exposed/tests/data/basic_config.py

src/exposed/tests/data/complex.py

src/exposed/tests/data/oldjson.cfg

src/exposed/tests/data/second_config.py

src/exposed/tests/data/test_dump_config.py

src/exposed/tests/data/test_dump_config2.py