Update README with LeetCode Daily Challenge

Author: jeremymanning

README.md

@@ -11,6 +11,7 @@ Each day (ideally) we'll attempt the daily [leetcode](https://leetcode.com) prob
 | July 3, 2024 | [1509](https://leetcode.com/problems/minimum-difference-between-largest-and-smallest-value-in-three-moves/) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1509)                    | 🟡  Medium      |
 | July 4, 2024 | [2181](https://leetcode.com/problems/merge-nodes-in-between-zeros/)                                         | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2181)                    | 🟡  Medium      |
 | July 5, 2024 | [2058](https://leetcode.com/problems/find-the-minimum-and-maximum-number-of-nodes-between-critical-points/) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2058)                    | 🟡  Medium      |
+| July 6, 2024 | [2582](https://leetcode.com/problems/pass-the-pillow) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/2582) | 🟢 Easy |
 
 # Join our discussion!