[Java] Interval Tree based on self balancing AVL BST
https://github.com/Freeze777/SDE-Interviewer-Notes/blob/main/LeetCodeJava/src/main/java/leetcode/hard/trees/CountIntervals.java
https://github.com/Freeze777/SDE-Interviewer-Notes/blob/main/LeetCodeJava/src/main/java/leetcode/hard/trees/CountIntervals.java
['Java']