Update README with LeetCode Daily Challenge

Author: jeremymanning

README.md

@@ -234,6 +234,7 @@ _**Note:** Our group is currently taking a break from grinding leetcode. The tab
 | February 6, 2025 | [1726](https://leetcode.com/problems/tuple-with-same-product/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1726) | 🟡 Medium |
 | February 7, 2025 | [3160](https://leetcode.com/problems/find-the-number-of-distinct-colors-among-the-balls/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/3160) | 🟡 Medium |
 | February 8, 2025 | [2349](https://leetcode.com/problems/design-a-number-container-system/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2349) | 🟡 Medium |
+| February 9, 2025 | [2364](https://leetcode.com/problems/count-number-of-bad-pairs/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2364) | 🟡 Medium |
 
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