Leaf-focus

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.6.1...v0.6.2)

- Validate first page and last page
- Additional tests for first page and last page
- Linter changes
- Improved contribution docs

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.6.0...v0.6.1)

- Relax dependency specifications even more, to allow installing leaf-focus as a library.
- Fix test failing due to Windows text encoding.

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.5.3...v0.6.0)

- Update dependencies.
- Move back to keras-ocr 0.8.9 to allow using Python >= 3.10.
- Address some linter suggestions.
- Also test using Python 3.12.
- Add xpdf to GitHub actions.

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.5.2...v0.5.3)

- Update dependencies

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.5.0...v0.5.2)

- Change dependency specification to use compatibility format
- use pdoc to generate html docs
- Explore other approaches to tests

[full change log](https://github.com/anotherbyte-net/leaf-focus/compare/v0.4.1...v0.5.0)

- Dependency updates
- Added tests that can be run without external binaries and tensorflow
- Improved tests