feat: allow fps zipfile

packages/html2md/lib.ts

@@ -1,6 +1,5 @@
 import 'hydrooj';
 import TurndownService from 'turndown';
-import { JSDOM } from 'jsdom';
 
 const turndownService = new TurndownService({
     headingStyle: 'atx',
@@ -9,15 +8,7 @@ const turndownService = new TurndownService({
 });
 
 export function convertHTML(html: string) {
-    const DOM = new JSDOM(html);
-    const eles = DOM.window.document.querySelectorAll('span.katex-mathml');
-    eles.forEach((ele) => {
-        const MathML = ele.innerHTML
-            .replace(/\\{/gmi, '{')
-            .replace(/\\}/gmi, '}');
-        ele.parentElement.replaceWith(`$${MathML}$`);
-    });
-    return turndownService.turndown(DOM.serialize());
+    return turndownService.turndown(html);
 }
 
 global.Hydro.lib.convertHTML = convertHTML;