import { Styles } from "https://deno.land/x/docxml@4.0.7/src/files/Styles.ts";
Add a custom style to the available style palette. If it does not have an identifier already, the system will propose an identifier based on the style name, or create a unique GUID. This method throws when the identifier is not unique.
Parameters
properties: Omit<Style, "id"> & { id?: string; }