* Update how glossary text is formatted
* Update structured content and image generation
* Pass root data to _createStructuredContentGenerator
* Implement media URLs
* Update documentation
* Update options util
* Apply styles to content
* Improve HTML normalization
* Update DatabaseVM.fetch function
* Update test
* Update test data
* Add part of speech info to headwords
* Expose parts of speech to Anki template rendering
* Expose parts of speech
* Update pitch accent categories
* Update docs
* Add part-of-speech
* Update options and tests
* Update markers
* Update test data