Odfdo

Minor performance improvement of script `odfdo-headers`.

Changed

- Use better algorithm for script `odfdo-headers`.

New script `odfdo-headers` to print the headers of a `ODF` file.

Added

- Add script `odfdo-headers`.

Changed

- Updating dependency versions.

New script `odfdo-highlight` to highlight the text matching a pattern (regex) in a `ODF` file.

Added

- Add script `odfdo-highlight`.

Changed

- Updating dependency versions.

Fix the update method of `Table of Content` and add a recipe to show how to update a `TOC`.

Added

- Add recipe `update_a_text_document_with_a_table_of_content`.

Changed

- Refactor of TOC related code.

- Updating dependency versions.

2024 release, updated ODF templates and better test suit.

Changed

- Update `ODF` templates.

- Refactor many Python files for use of type hints.

- Updates for year 2024, updating dependency versions.

Updade to `lxml` version 5.

Changed

- Update `lxml` from version 4 to 5.