Update README with LeetCode Daily Challenge

Author: jeremymanning

README.md

@@ -129,6 +129,7 @@ _**Note:** Our group is currently taking a break from grinding leetcode. The tab
 | October 24, 2024 | [951](https://leetcode.com/problems/flip-equivalent-binary-trees/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/951) | 🟡 Medium |
 | October 25, 2024 | [1233](https://leetcode.com/problems/remove-sub-folders-from-the-filesystem/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1233) | 🟡 Medium |
 | October 26, 2024 | [2458](https://leetcode.com/problems/height-of-binary-tree-after-subtree-removal-queries/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2458) | 🔴 Hard |
+| October 27, 2024 | [1277](https://leetcode.com/problems/count-square-submatrices-with-all-ones/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1277) | 🟡 Medium |
 
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