findExtremeCoordsOnY
Given a non-empty list of points represented as vectors, this method finds the extreme coordinates (i.e. min and max coordinates) on the Y-axis, these are used to create the returned ClosedRange.
Given a non-empty list of points represented as vectors, this method finds the extreme coordinates (i.e. min and max coordinates) on the Y-axis, these are used to create the returned ClosedRange.