Add a `gulp image_decoders` command to package the image decoders (i.e. jpg.js, jpx.js, jbig2.js) separately, and publish them in pdfjs-dist
Add a `gulp image_decoders` command to package the image decoders (i.e. jpg.js, jpx.js, jbig2.js) separately, and publish them in pdfjs-dist