moar quality of life methods!
additions
- added `get_toml_field` and `set_toml_field` for programatically handling toml documents
- added `ModelBoundTOML.get_field` and `ModelBoundTOML.set_field` for programatically handling ModelBoundTOMLs
- added `ModelBoundTOML.difference_between_document` to see what fields have been changed between the 'outgoing' ModelBoundTOML and the 'incoming' TOMLDocument
- for this, a new namedtuple class, `tomlantic.Differences` was made
- added `ModelBoundTOML.load_from_document` to load in changes from an 'incoming' TOMLDocument
useful for loading in a newer configuration file from disk or something
see the [api details](https://github.com/markjoshwel/tomlantic?tab=readme-ov-file#api-reference) for details!
https://github.com/markjoshwel/tomlantic/compare/v0.1.3...v0.2.0