message: WIP
  WONT FORMAT, prev version didnt either
diff: -import { CHART_TYPES, SLIDE_OBJECT_TYPES, CHART_TYPE_NAMES } from './enums'
  -
  /**
  * PptxGenJS Interfaces
  */
  +import { CHART_TYPE_NAMES, SLIDE_OBJECT_TYPES } from './enums'
  +
  // Common
  // ======
  @@ -70,6 +70,13 @@ export interface IShadowOpts {
  offset?: number
  color?: string
  }
  +export interface IImageOpts extends OptsCoords, OptsDataOrPath {
  + type?: 'audio' | 'online' | 'video'
  + sizing?: { type:'crop' | 'contain' | 'cover', w:number, h:number, x?:number, y?:number }
  + hyperlink?: any
  + rounding?: boolean
  + placeholder?: any
  +}
  export interface IMediaOpts extends OptsCoords, OptsDataOrPath {
  type?: 'audio' | 'online' | 'video'
  link: string
  @@ -357,20 +364,14 @@ export interface ISlideLayout {
  hidden?: boolean
  }
  data: Array<ISlideObject>
  - rels?: Array<any>
  - relsChart?: Array<ISlideRelChart> // needed as we use args:"ISlide|ISlideLayout" often
  - relsMedia?: Array<ISlideRelMedia>
  + rels: Array<ISlideRel>
  + relsChart: Array<ISlideRelChart> // needed as we use args:"ISlide|ISlideLayout" often
  + relsMedia: Array<ISlideRelMedia> // needed as we use args:"ISlide|ISlideLayout" often
  margin?: Array<number> | number
  slideNumberObj?: ISlideNumber
  width: number
  height: number
  }
  -export interface ISlideLayoutChart extends ISlideLayout {
  - rels: Array<ISlideRelChart>
  -}
  -export interface ISlideLayoutMedia extends ISlideLayout {
  - rels: Array<ISlideRelMedia>
  -}
  export interface ISlide {
  addChart: Function
  addImage: Function
  @@ -379,24 +380,20 @@ export interface ISlide {
  addShape: Function
  addTable: Function
  addText: Function
  -
  - //slide?: {
  bkgd?: string
  - bkgdImgRid?: number
  + bkgdImgRid?: number // FIXME rename
  color?: string
  + data?: ISlideObject[]
  hidden?: boolean
  - //}
  - presLayout: ILayout
  + margin?: object
  name?: string
  number: number
  - rels: Array<ISlideRel>
  - relsChart: Array<ISlideRelChart>
  - relsMedia: Array<ISlideRelMedia>
  - data?: Array<ISlideObject>
  - layoutName?: string
  + presLayout: ILayout
  + rels: ISlideRel[]
  + relsChart: ISlideRelChart[]
  + relsMedia: ISlideRelMedia[]
  slideLayout: ISlideLayout
  - margin?: object
  - slideNumberObj?: ISlideNumber
  + slideNumberObj?: ISlideNumber // FIXME rename
  }
  export interface IPresentation {
  author: string
  