Sectionproperties

- Make rhino-shapley-interop an optional dependency

**Full changelog:** [2.1.1...2.1.2](https://github.com/robbievanleeuwen/section-properties/compare/2.1.1...2.1.2)

- Use Lagrangian multiplier for calculation of torsion properties
- Add more plotting options to ``plot_geometry()``

**Full changelog:** [2.1.0...2.1.1](https://github.com/robbievanleeuwen/section-properties/compare/2.1.0...2.1.1)

- Add `bulb_section()` to steel sections library, thanks to [\zmpulse]
- Add progress bar and pretty output using [rich]
- Fix logic of generating holes in CompoundGeometry using the subtraction method, thanks to [\connorferster]
- Expand testing suite and documentation, thanks to [\czarified]
- Fix bug with plastic calculation when material properties are specified
- Add warning message for disconnected geometries when trying to calculate warping properties, thanks to [\connorferster]
- Fix bug with material properties not being assigned when using the ``CompoundGeometry.from_points()`` method, thanks to [\connorferster]

**Full changelog:** [2.0.3\...2.1.0]

[\zmpulse]: https://github.com/zmpulse
[rich]: https://github.com/Textualize/rich
[\connorferster]: https://github.com/connorferster
[\czarified]: https://github.com/czarified
[2.0.3\...2.1.0]: https://github.com/robbievanleeuwen/section-properties/compare/2.0.3...2.1.0

- Add top reinforcement to concrete section library sections
- Add option to specify concrete circle area to ``concrete_circular_section()``
- Update concrete section library to prevent overlapping geometries
- Fix implementation of ``Geometry`` and ``CompoundGeometry`` ``.__sub__()`` method
- Add method to detect overlapping geometry errors and generate warning
- Add option to create coarse mesh (no angle or area constraints)
- Update ``rhino-shapley-interop`` and ``cad_to_shapely`` requirements

**Full changelog:** [2.0.2...2.0.3](https://github.com/robbievanleeuwen/section-properties/compare/2.0.2...2.0.3)

- Add circular_section_by_area() in the section library
- Add option to define reinforcement by area rather than diameter for all concrete sections in the section library
- Fix bug in super_t_girder_section() which caused type 5 to be returned in all cases
- Require matplotlib >= 3.4 for CenteredNorm

- Fix issue with library module