feat: markdown公式

src/components/Chat/ChatText.vue

@@ -36,8 +36,8 @@ const mdi = new MarkdownIt({
 mdi.use(mila, { attrs: { target: '_blank', rel: 'noopener' } });
 
 mdi.use(markdownItMath, {
-  inlineOpen: '\\(',
-  inlineClose: '\\)',
+  inlineOpen: '$',
+  inlineClose: '$',
   blockOpen: '\\[',
   blockClose: '\\]'
 });