* Add options for searchTerms and searchKanji
* Add settings HTML
* Add options to TextScanner
* Update _search/_findDefinitions to include searchTerms/searchKanji args
* Update _searchAtFromMouseMove args
* Change argument structure for _searchAt
* Use scanning options for searchTerms and searchKanji
* Add options for scanning input types
* Move buttons in layout, refactor CSS
* Add options for input types
* Use input type filters
* Add _getMatchingInputGroupFromEvent
* Use input filters for touch events
* Add inputs to options.scanning
* Update CSS for mouse buttons
* Update list counters
* Set up HTML/CSS
* Add input controller
* Use new inputs
* Include mouse buttons
* Update how button inputs are detected
* Add index/empty fields to the input details object
* Update none check for scanning modifier
* Remove old settings
* Remove unused global