Update README - Topic Tags

Author: hogan-tech

README.md

@@ -126,4 +126,16 @@ Feedback / Questions → open an Issue or reach out on [LinkedIn](https://www.li
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 | ------- |
 | [2872-maximum-number-of-k-divisible-components](https://github.com/hogan-tech/leetcode-solution/tree/master/2872-maximum-number-of-k-divisible-components) |
+## Array
+|  |
+| ------- |
+| [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) |
+## Hash Table
+|  |
+| ------- |
+| [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) |
+## Prefix Sum
+|  |
+| ------- |
+| [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) |
 <!---LeetCode Topics End-->