Update README.md

Author: ahujaraman

README.md

@@ -18,3 +18,4 @@ This repository will contain the **Links to online judge platforms if the questi
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 |1|[Remove Duplicates - GFG](https://www.geeksforgeeks.org/remove-duplicates-from-an-unsorted-linked-list/)|[LeetCode-Medium](https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/description/)|[Java](https://github.com/ahujaraman/competitive-coding-leetcode/tree/master/My-Solutions/remove-duplicates-from-sorted-list-ii.java)|
 |2|Kth element from Last|[LeetCode-Medium](https://leetcode.com/problems/remove-nth-node-from-end-of-list/description/)|[Java](https://github.com/ahujaraman/competitive-coding-leetcode/blob/master/My-Solutions/remove-nth-node-from-end-of-list.java)|
+|3|Delete Middle Node|[LeetCode-Easy](https://leetcode.com/problems/delete-node-in-a-linked-list/description/)|[Java](https://github.com/ahujaraman/competitive-coding-leetcode/blob/master/My-Solutions/delete-node-in-a-linked-list.java)|