PressFlip PDF Viewer - Bundled PDF.js

Runtime library: PDF.js 3.2.146
Copyright: Mozilla and PDF.js contributors
License: Apache License 2.0

The plugin includes the minified PDF.js display library and worker for local,
offline-compatible rendering:

- pdf.min.js
- pdf.worker.min.js

Human-readable upstream source:
https://github.com/mozilla/pdf.js/tree/v3.2.146

Upstream build instructions:
https://github.com/mozilla/pdf.js/tree/v3.2.146#building-pdfjs

The bundled files are not loaded from a third-party CDN.
