https://community.joomla.org/gsoc/2017/gsoc-2017-expanding-joomla-s-help-functionality-update-status.html
GSoC 2017: Expanding Joomla’s help functionality (Update Status)
Joomla! Google Summer of Code 2017: The Documentation Help Screens and Joomla! 4 Guided Tour Project by Shivam Rajput
gsocexpandinghelpfunctionalityupdate