Update README with LeetCode Daily Challenge

Author: jeremymanning

README.md

@@ -50,6 +50,7 @@ This means you'll always find an AI-generated solution to compare with or learn
 | January 28, 2026 | [3651](https://leetcode.com/problems/minimum-cost-path-with-teleportations/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/3651) | 🔴 Hard |
 | January 29, 2026 | [2976](https://leetcode.com/problems/minimum-cost-to-convert-string-i/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2976) | 🟡 Medium |
 | January 30, 2026 | [2977](https://leetcode.com/problems/minimum-cost-to-convert-string-ii/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2977) | 🔴 Hard |
+| January 31, 2026 | [744](https://leetcode.com/problems/find-smallest-letter-greater-than-target/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/744) | 🟢 Easy |
 
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