Can we come up with a version of this project in which publishing the outputs doesn't depend on having a website in addition to the forum? As you say, creating a website with the forum embedded would be a major undertaking and would depend on people who are already overstretched.
As an example of what we could do, we already have a
'read only' subforum of 'how to' instructions for various things. What about a new 'Resources' subforum (that would have a simple name such as s4me.info/resources, which would make it easy to advertise), with each thread titled with whatever the resource was ('Hospital passport for people with ME', 'What is ME/CFS?', 'Understanding orthostatic intolerance', etc.), and containing only a single post that contained the relevant document as an attachment?
If we can eventually produce a website, then great, but time is of the essence, let's not let the perfect be the enemy of the good, etc. - and it would be a huge boost to contributors to see their stuff going public as soon as it's ready rather than dependent on a website that may never happen.