v0.2.0

### Added

- Added a `Sphere` function for creating spherical ellipsoids.

### Removed

- **\[BREAKING\]** The `WGS84Sphere` variable has been removed. Use the `Sphere`
  function with your chosen radius instead.

v0.1.3

### Fixed

- Fixed minor documentation issues.

v0.1.2

### Fixed

- Added a workflow to publish the reference docs to pkg.go.dev.

v0.1.1

### Fixed

- Added examples with illustrations to README.
- Fixed a typo in the README.

v0.1.0

### Added

- Initial release.