chore: add english comment

src/components/markdown-viewer/index.tsx

@@ -0,0 +1,28 @@
+import { marked, Tokens } from 'marked';
+import React from 'react';
+
+interface MarkdownViewerProps {
+  content: string;
+  height?: string;
+}
+
+const MarkdownViewer: React.FC<MarkdownViewerProps> = ({
+  content,
+  height = 'auto'
+}) => {
+  const renderer = new marked.Renderer();
+
+  renderer.link = ({ href, title, text }: Tokens.Link) => {
+    return `<a href="${href}" title="${title || ''}" target="_blank" rel="noopener noreferrer">${text}</a>`;
+  };
+
+  return (
+    <div style={{ height, overflow: 'auto' }}>
+      <div
+        dangerouslySetInnerHTML={{ __html: marked(content, { renderer }) }}
+      />
+    </div>
+  );
+};
+
+export default React.memo(MarkdownViewer);