* make the content cache manager tests configurable
* extend stream content in unit tests
* [ContentCacheManagerTests] prepare for full object caching
* filesystem stream for pdfjs
* working??
* cleaning up
* handle overflow
* [misc] install pdfjs-dist
* [misc] move pdfjs code into app/lib/ and scripts/, also use CamelCase
* [misc] abstract the file loading and parsing of xRef tables into helper
* [misc] pdfjsTests: add snapshot based tests for the Xref table parser
* [misc] FSStream: throw proper error and drop commented code
* [misc] FSStream: integrate throwing of MissingDataException into getter
* [misc] pdfjs: fix eslint errors
* [misc] pdfjs: run format_fix
* [misc] pdfjs: allocate very small non empty dummy buffers explicitly
* [misc] install @overleaf/o-error
* [ContentCacheManager] use PDF.js Xref table instead of stream detection
Co-Authored-By: Brian Gough <brian.gough@overleaf.com>
* [pdfjs] parseXrefTable: handle empty PDF files gracefully
Co-authored-by: Brian Gough <brian.gough@overleaf.com>
