am 3a76c1fd: Merge "docs: move all ZIP files for training classes here, originally from the html/shareables/ directory to save space on the developer site." into jb-dev

* commit '3a76c1fd1b99c7c2f6df19ec54d4948c9dd1b204':
  docs: move all ZIP files for training classes here, originally from the html/shareables/ directory to save space on the developer site.