Update README with LeetCode Daily Challenge

Author: jeremymanning

README.md

@@ -250,6 +250,7 @@ _**Note:** Our group is currently taking a break from grinding leetcode. The tab
 | February 22, 2025 | [1028](https://leetcode.com/problems/recover-a-tree-from-preorder-traversal/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1028) | 🔴 Hard |
 | February 23, 2025 | [889](https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/889) | 🟡 Medium |
 | February 24, 2025 | [2467](https://leetcode.com/problems/most-profitable-path-in-a-tree/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2467) | 🟡 Medium |
+| February 25, 2025 | [1524](https://leetcode.com/problems/number-of-sub-arrays-with-odd-sum/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1524) | 🟡 Medium |
 
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