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