WIDTH_BUCKET function support please

[vkingnew]

function width_bucket had supported by oracle and postgresql,hive,sparksql,impala,snowflake and databricks.
please add the same name function and have the same feature.
please refer to:
https://www.postgresql.org/docs/15/functions-math.html
https://docs.snowflake.com/en/sql-reference/functions/width_bucket.html

width_bucket ( operand numeric, low numeric, high numeric, count integer ) → integer
width_bucket ( operand double precision, low double precision, high double precision, count integer ) → integer
Returns the number of the bucket in which operand falls in a histogram having count equal-width buckets spanning the range low to high. Returns 0 or count+1 for an input outside that range.width_bucket(5.35, 0.024, 10.06, 5) → 3

width_bucket ( operand anycompatible, thresholds anycompatiblearray ) → integer
Returns the number of the bucket in which operand falls given an array listing the lower bounds of the buckets. Returns 0 for an input less than the first lower bound. operand and the array elements can be of any type having standard comparison operators. The thresholds array must be sorted, smallest first, or unexpected results will be obtained.width_bucket(now(), array['yesterday', 'today', 'tomorrow']::timestamptz[]) → 2