model_name is the name of the model to use for notes created from highlights.
word_field is the name of the field in which to put the word of the highlight.
sentence_field is the name of the field in which to put the sentence containing the highlight.
source_field is the name of the field in which to put the source of the highlight.
last_added is the time of the last highlight which was added to Anki.
Highlights from before this time will not be re-added.
Set it to null to add all highlights again.
deck_name is the name of the deck where the highlighted word cards will be placed into. The add-on will make subdecks by the name of the book and place them here.
path the path to your Kindle. The add-on uses path to find path + /documents/MyClippings.txt AND the hidden system folder path + /system/vocabulary/vocab.db