message: Added invertedColors
  Issue
diff: @@ -366,6 +366,7 @@ slide.addChart({MULTI_TYPES_AND_DATA}, {OPTIONS_AND_AXES});
  | `chartColorsOpacity` | number | percent | `100` | data color opacity percent | 1-100. Ex: `{ chartColorsOpacity:50 }` |
  | `fill` | string | | | fill/background color | hex color code. Ex: `{ fill:'0088CC' }` |
  | `holeSize` | number | percent | `50` | doughnut hole size | 1-100. Ex: `{ holeSize:50 }` |
  +| `invertedColors`| array | | | data colors for negative numbers | array of hex color codes. Ex: `['0088CC','FFCC00']` |
  | `legendFontSize`| number | points | `10` | legend font size | 1-256. Ex: `{ legendFontSize: 13 }`|
  | `legendPos` | string | | `r` | chart legend position | `b` (bottom), `tr` (top-right), `l` (left), `r` (right), `t` (top) |
  | `layout` | object | | | positioning plot within chart area | object with `x`, `y`, `w` and `h` props, all in range 0-1 (proportionally related to the chart size). Ex: `{x: 0, y: 0, w: 1, h: 1}` fully expands plot to the chart area |
  