Added
- Initial setup of the project structure.
- `pyproject.toml` for managing package builds and dependencies.
- `BinomialOpinion` class to encapsulate the binomial opinion model of subjective logic.
- Basic test for the `BinomialOpinion` class in `test_binomial_opinion.py`.
- README file providing project overview and setup instructions.
- LICENSE file with the MIT license.
- Setup for continuous integration builds and automated testing.
- Placeholder CHANGELOG file to track project changes.