Statement
You are given a list of non-overlapping intervals, intervals, where each interval is represented as [starti, endi] and the list is sorted in ascending order by the start of each interval (starti). You are also given another interval, new_interval = [start, end].
Your task is to insert new_interval into the list of intervals such that the list remains sorted by starting times and still contains no 
Return the updated list of intervals.
Note: You don’t need to modify
intervalsin place. You can make a new array and return it.
Constraints:
- intervals.length
- intervals[i].length,- new_interval.length
- start- i- end- i
- The list of intervals is sorted in ascending order based on the start time.