Update README - Topic Tags

Author: hogan-tech

README.md

@@ -122,10 +122,12 @@ Feedback / Questions → open an Issue or reach out on [LinkedIn](https://www.li
 |  |
 | ------- |
 | [0645-set-mismatch](https://github.com/hogan-tech/leetcode-solution/tree/master/0645-set-mismatch) |
+| [1482-how-many-numbers-are-smaller-than-the-current-number](https://github.com/hogan-tech/leetcode-solution/tree/master/1482-how-many-numbers-are-smaller-than-the-current-number) |
 ## Hash Table
 |  |
 | ------- |
 | [0645-set-mismatch](https://github.com/hogan-tech/leetcode-solution/tree/master/0645-set-mismatch) |
+| [1482-how-many-numbers-are-smaller-than-the-current-number](https://github.com/hogan-tech/leetcode-solution/tree/master/1482-how-many-numbers-are-smaller-than-the-current-number) |
 ## Bit Manipulation
 |  |
 | ------- |
@@ -134,4 +136,9 @@ Feedback / Questions → open an Issue or reach out on [LinkedIn](https://www.li
 |  |
 | ------- |
 | [0645-set-mismatch](https://github.com/hogan-tech/leetcode-solution/tree/master/0645-set-mismatch) |
+| [1482-how-many-numbers-are-smaller-than-the-current-number](https://github.com/hogan-tech/leetcode-solution/tree/master/1482-how-many-numbers-are-smaller-than-the-current-number) |
+## Counting Sort
+|  |
+| ------- |
+| [1482-how-many-numbers-are-smaller-than-the-current-number](https://github.com/hogan-tech/leetcode-solution/tree/master/1482-how-many-numbers-are-smaller-than-the-current-number) |
 <!---LeetCode Topics End-->