Given a number and a dictionary with min and max properties, return True if the number lies within the given range (inclusive).
is_in_range(4, { "min": 0, "max": 5 }) ➞ True
is_in_range(4, { "min": 4, "max": 5 }) ➞ True
is_in_range(4, { "min": 6, "max": 10 }) ➞ False
is_in_range(5, { "min": 5, "max": 5 }) ➞ True
min <= max is always true.