RSS 피드 기능 추가

server/routes/feed.xml.get.js

@@ -0,0 +1,13 @@
+import { getRequestURL, setHeader } from 'h3'
+import { buildRssFeed } from '../utils/rss-feed'
+
+/**
+ * feed.xml RSS 응답
+ * @param {import('h3').H3Event} event - 요청 이벤트
+ * @returns {Promise<string>} RSS XML
+ */
+export default defineEventHandler(async (event) => {
+  setHeader(event, 'Content-Type', 'application/rss+xml; charset=utf-8')
+
+  return buildRssFeed('/feed.xml', getRequestURL(event).origin)
+})