Add Metadata to PDFs programmatically (at least: title, description, author)

[juanmirocks]

References:

• https://github.com/puppeteer/puppeteer/issues/3054

Possible solutions:

• https://stackoverflow.com/questions/51153026/puppeteer-pdf-title-and-author-metadata
• https://github.com/Hopding/pdf-lib
• exiftool