chore: auto update READMEs

Author: github-actions[bot]

Solvesql/README.md

@@ -6,7 +6,10 @@
 
 | Idx | Question                                              | Category                                                                   | Solution                                                                                                    | Note |
 |:---:|-------------------------------------------------------| -------------------------------------------------------------------------- |-------------------------------------------------------------------------------------------------------------| ---- |
-
+| 1 | [두 테이블 결합하기](https://solvesql.com/problems/join/) | JOIN/UNION | [Solution](https://github.com/SubAkBa/Algorithm_Solution/blob/master/Solvesql/Solutions/join.sql) |  |
+| 2 | [레스토랑 웨이터의 팁 분석](https://solvesql.com/problems/tip-analysis/) | Aggregate | [Solution](https://github.com/SubAkBa/Algorithm_Solution/blob/master/Solvesql/Solutions/tip-analysis.sql) |  |
+| 4 | [우리 플랫폼에 정착한 판매자 2](https://solvesql.com/problems/settled-sellers-2/) | Aggregate | [Solution](https://github.com/SubAkBa/Algorithm_Solution/blob/master/Solvesql/Solutions/settled-sellers-2.sql) | test |
+| 5 | [레스토랑의 일일 매출](https://solvesql.com/problems/daily-revenue/) | Aggregate | [Solution](https://github.com/SubAkBa/Algorithm_Solution/blob/master/Solvesql/Solutions/daily-revenue.sql) |  |
 
 </details>