message: fixed `underline`
diff: // Stephen Cronin <https://github.com/cronin4392>
  // TypeScript Version: 3.x
  -import { HexColor, UnderlineType } from "../src/core-interfaces";
  -
  export as namespace PptxGenJS
  export default PptxGenJS
  @@ -898,7 +896,6 @@ declare namespace PptxGenJS {
  export type Margin = number | [number, number, number, number]
  export type HAlign = 'left' | 'center' | 'right' | 'justify'
  export type VAlign = 'top' | 'middle' | 'bottom'
  - export type UnderlineType = 'dash' | 'dashHeavy' | 'dashLong' | 'dashLongHeavy' | 'dbl' | 'dotDash' | 'dotDashHeave' | 'dotDotDash' | 'dotDotDashHeavy' |'dotted' | 'dottedHeavy' | 'heavy' | 'none' | 'sng' | 'wavy' | 'wavyDbl' | 'wavyHeavy'
  // used by charts, shape, text
  export interface BorderProps {
  /**
  @@ -1187,12 +1184,30 @@ declare namespace PptxGenJS {
  */
  lang?: string
  /**
  - * underline style
  - * @default false
  - */
  - underline?: boolean | string | {
  - type?: UnderlineType
  - color?: HexColor
  + * underline properties
  + * - PowerPoint: Font > Color & Underline > Underline Style/Underline Color
  + * @default (none)
  + */
  + underline?: {
  + style?:
  + | 'dash'
  + | 'dashHeavy'
  + | 'dashLong'
  + | 'dashLongHeavy'
  + | 'dbl'
  + | 'dotDash'
  + | 'dotDashHeave'
  + | 'dotDotDash'
  + | 'dotDotDashHeavy'
  + | 'dotted'
  + | 'dottedHeavy'
  + | 'heavy'
  + | 'none'
  + | 'sng'
  + | 'wavy'
  + | 'wavyDbl'
  + | 'wavyHeavy'
  + color?: Color
  }
  /**
  * vertical alignment
  @@ -1596,6 +1611,7 @@ declare namespace PptxGenJS {
  }
  export interface TextPropsOptions extends PositionProps, DataOrPathProps, TextBaseProps {
  + baseline?: number
  /**
  * Character spacing
  */
  @@ -1661,13 +1677,8 @@ declare namespace PptxGenJS {
  shadow?: ShadowProps
  shape?: SHAPE_NAME
  strike?: boolean | 'dblStrike' | 'sngStrike'
  - baseline?: number
  subscript?: boolean
  superscript?: boolean
  - underline?: boolean | string | {
  - type?: UnderlineType
  - color?: HexColor
  - }
  valign?: VAlign
  vert?: 'eaVert' | 'horz' | 'mongolianVert' | 'vert' | 'vert270' | 'wordArtVert' | 'wordArtVertRtl'
  /**
  