auto update README.md

Author: chech2

README.md

@@ -422,6 +422,7 @@
 |2468. 안전 영역|[링크](./%EB%B0%B1%EC%A4%80/Silver/2468.%E2%80%85%EC%95%88%EC%A0%84%E2%80%85%EC%98%81%EC%97%AD/README.md)|
 |24954. 물약 구매|[링크](./%EB%B0%B1%EC%A4%80/Silver/24954.%E2%80%85%EB%AC%BC%EC%95%BD%E2%80%85%EA%B5%AC%EB%A7%A4/README.md)|
 |2503. 숫자 야구|[링크](./%EB%B0%B1%EC%A4%80/Silver/2503.%E2%80%85%EC%88%AB%EC%9E%90%E2%80%85%EC%95%BC%EA%B5%AC/README.md)|
+|2512. 예산|[링크](./%EB%B0%B1%EC%A4%80/Silver/2512.%E2%80%85%EC%98%88%EC%82%B0/README.md)|
 |25206. 너의 평점은|[링크](./%EB%B0%B1%EC%A4%80/Silver/25206.%E2%80%85%EB%84%88%EC%9D%98%E2%80%85%ED%8F%89%EC%A0%90%EC%9D%80/%EB%84%88%EC%9D%98%E2%80%85%ED%8F%89%EC%A0%90%EC%9D%80.java)|
 |25212. 조각 케이크|[링크](./%EB%B0%B1%EC%A4%80/Silver/25212.%E2%80%85%EC%A1%B0%EA%B0%81%E2%80%85%EC%BC%80%EC%9D%B4%ED%81%AC/%EC%A1%B0%EA%B0%81%E2%80%85%EC%BC%80%EC%9D%B4%ED%81%AC.java)|
 |2529. 부등호|[링크](./%EB%B0%B1%EC%A4%80/Silver/2529.%E2%80%85%EB%B6%80%EB%93%B1%ED%98%B8/%EB%B6%80%EB%93%B1%ED%98%B8.java)|