As discussed during the last Slicer office hour, this commit simplifies the Welcome module. The associated documentation was out of date and a duplicate of what is already available on the wiki. After completing the transition to readthedocs (wip: PR#686 ), we may revisit and embed the generated htm…

Simplified welcome module

Topic		Replies	Views
Module documentation Development documentation	6	495	August 31, 2020
SlicerSALT tutorials are now in Read the Docs SlicerSALT	0	42	March 21, 2025
I don't see Welcome to Slicer module Support	12	677	October 6, 2021
Its all about transitions! Lets talk about Slicer's landing page Development	41	4245	March 26, 2021
Preview.apidocs.slicer.org status Development web-infrastructure	7	449	March 11, 2019