updating DIRECTORY.md

Author: github-actions

DIRECTORY.md

@@ -103,6 +103,8 @@
   * Intervals
     * Count Days
       * [Test Count Days Without Meetings](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/intervals/count_days/test_count_days_without_meetings.py)
+    * Full Bloom Flowers
+      * [Test Full Bloom Flowers](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/intervals/full_bloom_flowers/test_full_bloom_flowers.py)
     * Insert Interval
       * [Test Insert Interval](https://github.com/BrianLusina/PythonSnips/blob/master/algorithms/intervals/insert_interval/test_insert_interval.py)
     * Interval Intersection