There’s a non-public category called Reference that I created to allow for some persistent documentation of things that would be helpful to be referenced in the future. All posts in that category are “Wiki” posts, so other people can edit your posts to keep them current.
You’ll need Trust Level 1 to create or edit wiki posts, which is a pretty basic level of engagement with the forum and any registered user can read posts in that category (for now anyway). That category also doesn’t cross-post to Discord, so don’t worry about spamming over there. 
As always, ping me with any questions/comments/concerns/issues with a PM here or on Discord.