* Update eslint settings * Update 2021 files * Update other files
* Add valid field * Add isNoteDataValid function * Update _areDefinitionsAddableForcedValue to return proper valid values * Refactor isAnkiConnected check * Force canAdd to false if not valid
* Add AnkiUtil * Update AnkiConnect to use AnkiUtil * Use AnkiUtil in AnkiNoteBuilder * Replace containsAnyMarker with AnkiUtil.stringContainsAnyFieldMarker * Add AnkiUtil.getFieldMarkers * Add fieldsObjectContainsMarker to AnkiUtil * Remove unused global * Remove unused parameter: enabled * Add cloneFieldMarkerPattern