refactor: batch 2

src/components/Ruby.tsx

@@ -0,0 +1,20 @@
+import React from 'react';
+
+export interface RubyProps {
+  caption: React.ReactNode;
+  children: React.ReactNode;
+  className?: string;
+}
+
+export function Ruby(props: RubyProps) {
+  const { caption, children, ...rest } = props;
+
+  return (
+    <ruby {...rest}>
+      {children}
+      <rp>(</rp>
+      <rt>{caption}</rt>
+      <rp>)</rp>
+    </ruby>
+  );
+}