Update Readme.md

Author: wisdompeak

Readme.md

@@ -525,6 +525,7 @@
 
 #### [Linked List](https://github.com/wisdompeak/LeetCode/tree/master/Linked_List)
 [061.Rotate-List](https://github.com/wisdompeak/LeetCode/tree/master/Linked_List/061.Rotate-List) (M)  
+082.Remove-Duplicates-from-Sorted-List-II (M+)  
 [086.Partition-List](https://github.com/wisdompeak/LeetCode/tree/master/Linked_List/086.Partition-List) (M)   
 [142.Linked-List-Cycle-II](https://github.com/wisdompeak/LeetCode/tree/master/Linked_List/142.Linked-List-Cycle-II) (M+)    
 [109.Convert-Sorted-List-to-Binary-Search-Tree](https://github.com/wisdompeak/LeetCode/tree/master/Linked_List/109.Convert-Sorted-List-to-Binary-Search-Tree) (M)