* Template helper updates
* Add pitch data to exported field formatting data
* Reuse note data
* Add no-op
* Set up pitch accent templates
* Refactor version update functions
* Implement upgrade process for new Anki templates
* Consistency
* Update README and anki.js to have matching markers
* Convert handlebars.js to a class
* Move/rename function
* Update helper registration
* Rename helper functions
* Limit cache size
* Make render() async
* Rename and move
