Another forum I'm on has a write-up thread. It's where folks can document all those things you mention. Top of the tread is a sticky table of contents (which has to be managed) with links to the appropriate write-ups.
It's a great resource with some great technical write-ups with supporting photos.
Might be easier to have the mods add that as a thread than to start a new forum.
BTW it still doesn't stop folks from asking the same questions over and over.
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