// Package pdftk provides an implementation of the gotenberg.PdfEngine
// interface using the PDFtk command-line tool. This package allows for:
//
// 1. The merging of PDF files.
//
// The path to the PDFtk binary must be specified using the PDFTK_BIN_PATH
// environment variable.
//
// See: https://gitlab.com/pdftk-java/pdftk.
package pdftk