Have you discovered remarkable.guide yet? Your issues lost says there is no documentation about what to do after getting SSH access, and that you have started your site for documenting that. I think that remarkable.guide may help answer some of what you are looking for.
Remarkable
Useful Links
I have. And while I don't think I've directly quoted anything from it, I have read through parts of it when trying to figure out something new (particularly the first week or two after my first tablet arrived back in June, so if I haven't said it before, THANK YOU for the virtual hand-holding when I first started), and I have definitely sent people links to some of the pages where you had documented things that I either didn't have time to, hadn't investigated yet, or didn't see the need to try and cover again because you already had already explained them.
This new "issues" page is mostly intended for reMarkable themselves, and that particular line was about the fact that reMarkable doesn't provide any documentation about what's at the other end of an ssh
command.
My "dream", I guess, is that they'll do like a lot of companies are doing and appoint somebody, maybe one of the devs, or a product manager with a decent amount of technical knowledge, as a "community liaison" kinda thing ... and then start some kind of ... not sure what to call it, maybe a "developer community", for people who are interested in doing more with the tablets than just the standard note-taking and sync'ing to reMarkable Connect that they officially support. I figure they could start with some of the "more technical" users (you, me, Davis/RCU, and ddvk come to mind, plus a few others I only know as Reddit usernames).
The best example I've seen of such a program is the Puppet's Community on slack, where you'll find a mixture of beginner-level questions (but not too many), advanced discussions about internals, and totally off-topic conversations as well. Unfortunately $DAYJOB
recently made the decision to switch from Puppet to Ansible (that's a conversation better held in person, over grown-up beverages) so I don't get to spend nearly as much time there as I used to.
I know it's probably never going to happen, but ... a guy can dream, right?