#17 YouTube 対応

frontend/package.json

@@ -27,6 +27,7 @@
     "react-markdown": "^10.1.0",
     "react-markdown-editor-lite": "^1.3.4",
     "react-router-dom": "^6.30.0",
+    "react-youtube": "^10.1.0",
     "remark-gfm": "^4.0.1",
     "tailwind-merge": "^3.3.0"
   },