- In: `pyproject.toml;poetry.lock`; Out: `[base_]requirements.txt`
- Removed reference to updating development version
- Explaining use of `poetry update` for updating requirements
- Explaining use of `poetry version` to update... version
- Explaining use of `poetry build|publish` for publishing to PyPI

Co-authored-by: Glenn Matthews <glenn.matthews@networktocode.com>

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