adds add two numbers javascript solution in readme.md

Author: anishLearnsToCode

README.md

@@ -12,7 +12,7 @@
 |  #   | Name                                                                                                                                                      |                                                                                                             Solution                                                                                                             |                                                              Youtube                                                              |
 |:----:|-----------------------------------------------------------------------------------------------------------------------------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------:|:---------------------------------------------------------------------------------------------------------------------------------:|
 |  1   | [Two Sum](https://leetcode.com/problems/two-sum)                                                                                                          |                                                                  [![Java](assets/java.png)](src/TwoSum.java) [![Python](assets/python.png)](python/two_sum.py)                                                                   | [![java-yt](assets/java-yt.png)](https://youtu.be/9wSL_7NN-A8) [![python-yt](assets/python-yt.png)](https://youtu.be/N5FXCTg0TDE) |
-|  2   | [Add Two Numbers](https://leetcode.com/problems/add-two-numbers)                                                                                          |                                                                                        [![Java](assets/java.png)](src/AddTwoNumbers.java)                                                                                        |                                                                                                                                   |
+|  2   | [Add Two Numbers](https://leetcode.com/problems/add-two-numbers)                                                                                          |                                                          [![Java](assets/java.png)](src/AddTwoNumbers.java) [![js](assets/javascript.png)](javascript/AddTwoNumbers.js)                                                          |                                                                                                                                   |
 |  3   | [Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters)                            |                                                                         [![Java](assets/java.png)](src/LongestSubstringWithoutRepeatingCharacters.java)                                                                          |                                                                                                                                   |
 |  5   | [Longest Palindromic Substring](https://leetcode.com/problems/longest-palindromic-substring)                                                              |                                                                                 [![Java](assets/java.png)](src/LongestPalindromicSubstring.java)                                                                                 |                                                                                                                                   |
 |  6   | [Zigzag Conversion](https://leetcode.com/problems/zigzag-conversion)                                                                                      |                                                                                      [![Java](assets/java.png)](src/ZigZagConversion.java)                                                                                       |                                                                                                                                   |