updating DIRECTORY.md

Author: github-actions

DIRECTORY.md

@@ -63,6 +63,7 @@
     * [Checkanagrams](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/CheckAnagrams.fs)
     * [Checkpangram](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/CheckPangram.fs)
     * [Hasprefix](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/HasPrefix.fs)
+    * [Hassuffix](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/HasSuffix.fs)
     * [Ispalindrome](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/IsPalindrome.fs)
     * [Jarowinkler](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/JaroWinkler.fs)
     * [Knuthmorrispratt](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/KnuthMorrisPratt.fs)
@@ -81,5 +82,3 @@
     * [Upper](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/Upper.fs)
     * [Wordoccurrence](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/WordOccurrence.fs)
     * [Zfunction](https://github.com/TheAlgorithms/F-Sharp/blob/main/Algorithms/Strings/ZFunction.fs)
-
-## [Hassuffix](https://github.com/TheAlgorithms/F-Sharp/blob/main//HasSuffix.fs)