updating DIRECTORY.md

Author: github-actions

DIRECTORY.md

@@ -270,9 +270,11 @@
  * [JumpSearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/JumpSearch.js)
  * [LinearSearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/LinearSearch.js)
  * [QuickSelectSearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/QuickSelectSearch.js)
+ * [SlidingWindow](https://github.com/TheAlgorithms/Javascript/blob/master/Search/SlidingWindow.js)
  * [StringSearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/StringSearch.js)
  * [TernarySearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/TernarySearch.js)
  * test
+ * [SlidingWindow](https://github.com/TheAlgorithms/Javascript/blob/master/Search/test/SlidingWindow.test.js)
  * [TernarySearch](https://github.com/TheAlgorithms/Javascript/blob/master/Search/test/TernarySearch.test.js)
 
 ## Sorts