auto update README.md

Author: Ja2Hw

README.md

@@ -311,6 +311,7 @@
 |1966. 프린터 큐|[링크](./%EB%B0%B1%EC%A4%80/Silver/1966.%E2%80%85%ED%94%84%EB%A6%B0%ED%84%B0%E2%80%85%ED%81%90/%ED%94%84%EB%A6%B0%ED%84%B0%E2%80%85%ED%81%90.py)|
 |19947. 투자의 귀재 배주형|[링크](./%EB%B0%B1%EC%A4%80/Silver/19947.%E2%80%85%ED%88%AC%EC%9E%90%EC%9D%98%E2%80%85%EA%B7%80%EC%9E%AC%E2%80%85%EB%B0%B0%EC%A3%BC%ED%98%95/%ED%88%AC%EC%9E%90%EC%9D%98%E2%80%85%EA%B7%80%EC%9E%AC%E2%80%85%EB%B0%B0%EC%A3%BC%ED%98%95.py)|
 |2018. 수들의 합 5|[링크](./%EB%B0%B1%EC%A4%80/Silver/2018.%E2%80%85%EC%88%98%EB%93%A4%EC%9D%98%E2%80%85%ED%95%A9%E2%80%855/README.md)|
+|20291. 파일 정리|[링크](./%EB%B0%B1%EC%A4%80/Silver/20291.%E2%80%85%ED%8C%8C%EC%9D%BC%E2%80%85%EC%A0%95%EB%A6%AC/%ED%8C%8C%EC%9D%BC%E2%80%85%EC%A0%95%EB%A6%AC.py)|
 |20301. 반전 요세푸스|[링크](./%EB%B0%B1%EC%A4%80/Silver/20301.%E2%80%85%EB%B0%98%EC%A0%84%E2%80%85%EC%9A%94%EC%84%B8%ED%91%B8%EC%8A%A4/%EB%B0%98%EC%A0%84%E2%80%85%EC%9A%94%EC%84%B8%ED%91%B8%EC%8A%A4.py)|
 |20502. Gum색|[링크](./%EB%B0%B1%EC%A4%80/Silver/20502.%E2%80%85Gum%EC%83%89/README.md)|
 |20546. 🐜 기적의 매매법 🐜|[링크](./%EB%B0%B1%EC%A4%80/Silver/20546.%E2%80%85%F0%9F%90%9C%E2%80%85%EA%B8%B0%EC%A0%81%EC%9D%98%E2%80%85%EB%A7%A4%EB%A7%A4%EB%B2%95%E2%80%85%F0%9F%90%9C/%F0%9F%90%9C%E2%80%85%EA%B8%B0%EC%A0%81%EC%9D%98%E2%80%85%EB%A7%A4%EB%A7%A4%EB%B2%95%E2%80%85%F0%9F%90%9C.py)|