Implemented a utility function `calculate_perpendicular_distance` in the `app/utils/__init__.py` module. The function calculates the perpendicular distance between a point and a line using NumPy, with type hints and runtime type checking using jaxtyping and typeguard.
- Rename `_wrap` to `_cvx_opt_wrap` for consistency
- Update import paths in solver module
- Add type hints to `solution_mat_clusters` method
- Improve type annotations in `solve` method
