Add svg support

Author: velopert

src/components/common/MarkdownRender.tsx

@@ -158,6 +158,7 @@ function filter(html: string) {
       'span',
       'img',
       'del',
+
       ...katexWhitelist.tags,
     ],
     allowedAttributes: {

src/lib/katexWhitelist.ts

@@ -26,6 +26,9 @@ const tags = [
   'mpadded',
   'mphantom',
   'mglyph',
+  'svg',
+  'path',
+  'line',
 ];
 
 const attributes = tags.reduce((acc, current) => {