add support for 3 new baseline methods available in baseline filter

[jobo322]

Names and options of baselines methods:

name: 'whittaker'
options XWhittakerBaseline:

interface XWhittakerBaseline {
  lambda?: number;
  scale?: number;
  maxIterations?: number;
}

name: 'cubic'
options: undefined

name: 'bernstein'
options: BernsteinBaselineOptions