Update README - Topic Tags

Author: hogan-tech

README.md

@@ -122,6 +122,7 @@ Feedback / Questions → open an Issue or reach out on [LinkedIn](https://www.li
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 | [3381-maximum-subarray-sum-with-length-divisible-by-k](https://github.com/hogan-tech/leetcode-solution/tree/master/3381-maximum-subarray-sum-with-length-divisible-by-k) |
+| [3512-minimum-operations-to-make-array-sum-divisible-by-k](https://github.com/hogan-tech/leetcode-solution/tree/master/3512-minimum-operations-to-make-array-sum-divisible-by-k) |
 ## Hash Table
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@@ -130,4 +131,8 @@ Feedback / Questions → open an Issue or reach out on [LinkedIn](https://www.li
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 | ------- |
 | [3381-maximum-subarray-sum-with-length-divisible-by-k](https://github.com/hogan-tech/leetcode-solution/tree/master/3381-maximum-subarray-sum-with-length-divisible-by-k) |
+## Math
+|  |
+| ------- |
+| [3512-minimum-operations-to-make-array-sum-divisible-by-k](https://github.com/hogan-tech/leetcode-solution/tree/master/3512-minimum-operations-to-make-array-sum-divisible-by-k) |
 <!---LeetCode Topics End-->