message: Added image rounding option
diff: @@ -1018,6 +1018,7 @@ Animated GIFs can be included in Presentations in one of two ways:
  | `data` | string | | | image data (base64) | base64-encoded image string. (either `data` or `path` is required) |
  | `hyperlink` | string | | | add hyperlink | object with `url` or `slide` (`tooltip` optional). Ex: `{ hyperlink:{url:'https://github.com'} }` |
  | `path` | string | | | image path | Same as used in an (img src="") tag. (either `data` or `path` is required) |
  +| `rounding` | boolean | | `false` | image rounding | Shapes an image into a circle |
  | `sizing` | object | | | transforms image | See [Image Sizing](#image-sizing) |
  ### Image Examples
  