Fix markdown images

Author: Geometrically

packages/utils/parse.ts

@@ -77,7 +77,11 @@ export const configuredXss = new FilterXSS({
     }
   },
   safeAttrValue(tag, name, value, cssFilter) {
-    if (tag === 'img' && name === 'src' && !value.startsWith('data:')) {
+    if (
+      (tag === 'img' || tag === 'video' || tag === 'audio' || tag === 'source') &&
+      (name === 'src' || name === 'srcset') &&
+      !value.startsWith('data:')
+    ) {
       try {
         const url = new URL(value)