

The upcoming 4.4 release has a generator based on a template, which was this one. We will look into whether we need to put that feature on hold from the 4.4 release while we work through this, however, yes the idea is that there would be a template set of terms that any instance could customise and adopt.
I moved from Evernote to Joplin a number of years ago, and now self-host the Joplin server and use Joplin on all of my devices. Great app. I’m afraid I can’t help with the migration from that to something else, though!