### 5. `LICENSE`
For the license file, you can use the MIT License, which is commonly used for open-source projects. You can find the full text of the MIT License [here](https://opensource.org/licenses/MIT).

### 6. Building and Publishing the Package
To build and publish the package to PyPI, use the following commands in the project root (where `setup.py` is located):

```bash
python3 -m pip install --upgrade build twine
python3 -m build
python3 -m twine upload dist/*