- Add AddStampAsync method signature to IPdfProcessor interface - Parameters: pdfBytes, stampType, pages, position, text/image/predefined params - Supports Origin (TopLeft/BottomLeft), Rotation, Opacity, Placement
- Add AddStampAsync method signature to IPdfProcessor interface - Parameters: pdfBytes, stampType, pages, position, text/image/predefined params - Supports Origin (TopLeft/BottomLeft), Rotation, Opacity, Placement