message: Added missing addHeaderToEach option
  Issue
diff: @@ -745,6 +745,7 @@ Any variety of HTML tables can be turned into a series of slides (auto-paging) b
  | `w` | number | inches | width | 0-256. Default is (100% - Slide margins) |
  | `h` | number | inches | height | 0-256. Default is (100% - Slide margins) |
  | `master` | string | | master slide name | Any pre-defined Master Slide. EX: `{ master:pptx.masters.TITLE_SLIDE }`
  +| `addHeaderToEach` | boolean | | add table headers to each slide | EX: `addHeaderToEach:true` |
  | `addImage` | string | | add an image to each slide | Use the established syntax. EX: `{ addImage:{ path:"images/logo.png", x:10, y:0.5, w:1.2, h:0.75 } }` |
  | `addShape` | string | | add a shape to each slide | Use the established syntax. |
  | `addTable` | string | | add a table to each slide | Use the established syntax. |
  