Orthority

Features:

- Allow RPC model refinement with GCPs.
- Add CLI and API for Gram-Schmidt pan-sharpening.
- Support for LZW compression and Cloud Optimised GeoTIFF output.
- Support for custom image creation options.
- Round and clip image data when necessary, before writing to file.
- Copy source image colour interpretation to output.

Fixes:
- Change duplicated short form CLI options.
- Improve test images.
- Improve errors and warnings.

Features:

- ``fsspec`` integration to allow remote file IO.
- Add RPC camera model.
- Add camera factories to simplify the CLI and parameter file IO.
- Add ``oty rpc`` command for RPC orthorectification.
- Display total orthorectification progress with nested bars on CLI.
- Allow 12 bit JPEG compression when supported by Rasterio,
- Reroute CLI warnings and logs to not interfere with progress bars.
- Incorporate vertical CRS / scale effects for DEM bounds and GSD.
- Rename package from ``simple_ortho`` to ``orthority``.

Fixes:

- A number of minor fixes.

Docs:

- Add documentation for Read the Docs.
- Docstring adjustments and improvements.

Licensing:

- Change to AGPLv3.