updating DIRECTORY.md

Author: github-actions

DIRECTORY.md

@@ -140,6 +140,8 @@
   * Heap
     * Schedule Tasks
       * [Test Schedule Tasks On Minimum Machines](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/heap/schedule_tasks/test_schedule_tasks_on_minimum_machines.py)
+    * Topklargest
+      * [Test Top K Largest Elements](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/heap/topklargest/test_top_k_largest_elements.py)
   * Huffman
     * [Decoding](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/huffman/decoding.py)
     * [Encoding](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/huffman/encoding.py)