add youtube link for 2596

Author: fishercoder1534

README.md

@@ -8,7 +8,7 @@ _If you like this project, please leave me a star._ ★
 
 | #    |      Title     | Solutions                                                                                                                                | Video                                                                         | Difficulty                       | Tag                  
 |------|----------------|------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|----------------------------------|-------------
-| 2596 |[Check Knight Tour Configuration](https://leetcode.com/problems/check-knight-tour-configuration/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2596.java)                                                                     |                                                                               | Medium                           |
+| 2596 |[Check Knight Tour Configuration](https://leetcode.com/problems/check-knight-tour-configuration/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2596.java)                                                                     | [:tv:](https://youtu.be/OBht8NT_09c)                                                                      | Medium                           |
 | 2595 |[Number of Even and Odd Bits](https://leetcode.com/problems/number-of-even-and-odd-bits/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2595.java)                                                                     |                                                                               | Easy                             |
 | 2586 |[Count the Number of Vowel Strings in Range](https://leetcode.com/problems/count-the-number-of-vowel-strings-in-range/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2586.java)                                                                     |                                                                               | Easy                             |
 | 2583 |[Kth Largest Sum in a Binary Tree](https://leetcode.com/problems/kth-largest-sum-in-a-binary-tree/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2583.java)                                                                     |                                                                               | Medium                           |
@@ -1187,7 +1187,7 @@ _If you like this project, please leave me a star._ ★
 | 238  |[Product of Array Except Self](https://leetcode.com/problems/product-of-array-except-self/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_238.java)                                                                  |                                                                               | Medium                           | Array
 | 237  |[Delete Node in a Linked List](https://leetcode.com/problems/delete-node-in-a-linked-list/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_237.java)                                                                  | [:tv:](https://youtu.be/sW8ZaOTtvgI)                                          | Easy                             | LinkedList
 | 236  |[Lowest Common Ancestor of a Binary Tree](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_236.java)                                                                  |                                                                               | Medium                           | DFS
-| 235  |[Lowest Common Ancestor of a Binary Search Tree](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_235.java)                                                                  |                                                                         [:tv:](https://youtu.be/ML6vGnziUaI)    | Medium                           | DFS
+| 235  |[Lowest Common Ancestor of a Binary Search Tree](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_235.java)                                                                  | [:tv:](https://youtu.be/ML6vGnziUaI)                                          | Medium                           | DFS
 | 234  |[Palindrome Linked List](https://leetcode.com/problems/palindrome-linked-list/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_234.java)                                                                  | [:tv:](https://youtu.be/bOGh_3MTrdE)                                          | Easy                             | Linked List 
 | 233  |[Number of Digit One](https://leetcode.com/problems/number-of-digit-one/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_233.java)                                                                  |                                                                               | Hard                             | Math
 | 232  |[Implement Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_232.java)                                                                  |                                                                               | Medium                           | Stack, Design