auto update README.md

README.md

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 |1253. 좋다|[링크](./%EB%B0%B1%EC%A4%80/Gold/1253.%E2%80%85%EC%A2%8B%EB%8B%A4/%EC%A2%8B%EB%8B%A4.cc)|
 |12865. 평범한 배낭|[링크](./%EB%B0%B1%EC%A4%80/Gold/12865.%E2%80%85%ED%8F%89%EB%B2%94%ED%95%9C%E2%80%85%EB%B0%B0%EB%82%AD/README.md)|
 |13164. 행복 유치원|[링크](./%EB%B0%B1%EC%A4%80/Gold/13164.%E2%80%85%ED%96%89%EB%B3%B5%E2%80%85%EC%9C%A0%EC%B9%98%EC%9B%90/%ED%96%89%EB%B3%B5%E2%80%85%EC%9C%A0%EC%B9%98%EC%9B%90.cc)|
+|13397. 구간 나누기 2|[링크](./%EB%B0%B1%EC%A4%80/Gold/13397.%E2%80%85%EA%B5%AC%EA%B0%84%E2%80%85%EB%82%98%EB%88%84%EA%B8%B0%E2%80%852/%EA%B5%AC%EA%B0%84%E2%80%85%EB%82%98%EB%88%84%EA%B8%B0%E2%80%852.cc)|
 |13460. 구슬 탈출 2|[링크](./%EB%B0%B1%EC%A4%80/Gold/13460.%E2%80%85%EA%B5%AC%EC%8A%AC%E2%80%85%ED%83%88%EC%B6%9C%E2%80%852/README.md)|
 |13904. 과제|[링크](./%EB%B0%B1%EC%A4%80/Gold/13904.%E2%80%85%EA%B3%BC%EC%A0%9C/%EA%B3%BC%EC%A0%9C.cc)|
 |14499. 주사위 굴리기|[링크](./%EB%B0%B1%EC%A4%80/Gold/14499.%E2%80%85%EC%A3%BC%EC%82%AC%EC%9C%84%E2%80%85%EA%B5%B4%EB%A6%AC%EA%B8%B0/%EC%A3%BC%EC%82%AC%EC%9C%84%E2%80%85%EA%B5%B4%EB%A6%AC%EA%B8%B0.cc)|