incrementInnerHtml
import { incrementInnerHtml } from "https://raw.githubusercontent.com/Hatscat/MetavaScript/main/index.ts";
increment the innerHTML of an Element
@example
// returns "elementId.innerHTML+='<p>hey!</p>'"
incrementInnerHtml("elementId", element("p", { children: "hey", closed: true }))
function incrementInnerHtml(element: string, html: string | string[]): string;