* Add BiSeNet face parsing implementation
* Add parsing model weights configuration
* Export BiSeNet in main package
* Add face parsing tests
* Add face parsing examples and script
* Bump version to 1.5.0
* Update documentation for face parsing
* Fix face parsing notebook to use lips instead of mouth
* chore: Update the face parsing example
* fix: Fix model argument to use Enum
* ref: Move vis_parsing_map function into visualization.py
* docs: Update README.md
