message: added deprecated addSlide(masterName)
diff: @@ -91,6 +91,13 @@ declare class PptxGenJS {
  * @returns {Slide} the new Slide
  */
  addSlide(options?: PptxGenJS.IAddSlideOptions): PptxGenJS.Slide
  + /**
  + * Add a new Slide to Presentation
  + * @param {string} masterName - master slide name
  + * @returns {Slide} the new Slide
  + * @deprecated use `addSlide(IAddSlideOptions)`
  + */
  + addSlide(masterName?: string): PptxGenJS.Slide
  /**
  * Create a custom Slide Layout in any size
  * @param {ILayoutProps} layout - an object with user-defined w/h
  