Create natural_language_processing (#2116)

* Create natural_language_processing

Closes #2115

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: cclauss

Diff for: DIRECTORY.md

@@ -264,6 +264,7 @@
   * [Test Knapsack](https://github.com/TheAlgorithms/Python/blob/master/greedy_method/test_knapsack.py)
 
 ## Hashes
+  * [Adler32](https://github.com/TheAlgorithms/Python/blob/master/hashes/adler32.py)
   * [Chaos Machine](https://github.com/TheAlgorithms/Python/blob/master/hashes/chaos_machine.py)
   * [Enigma Machine](https://github.com/TheAlgorithms/Python/blob/master/hashes/enigma_machine.py)
   * [Hamming Code](https://github.com/TheAlgorithms/Python/blob/master/hashes/hamming_code.py)

Diff for: natural_language_processing

@@ -0,0 +1,3 @@
+# Natural Language Processing
+
+https://en.wikipedia.org/wiki/Natural_language_processing