* Begin external projects moderator database frontend
* add copy link button
* begin project page permissions settings
* MEL database backend routes
* include filename in external files
* Hook up frontend external license page to backend
* more work on user-facing external projects stuff
* put user-facing stuff behind feature flag
* prepr
* clippy
---------
Co-authored-by: aecsocket <aecsocket@tutanota.com>