Merge branch 'v2-suggestions' into 'develop'

V2 suggestions

See merge request pleroma/pleroma!3547

diff --cc docs/development/API/admin_api.md
Simple merge

diff --cc lib/pleroma/moderation_log.ex
Simple merge

diff --cc lib/pleroma/user.ex
Simple merge

diff --cc lib/pleroma/web/mastodon_api/views/instance_view.ex
Simple merge

diff --cc lib/pleroma/web/router.ex
Simple merge

diff --cc test/pleroma/user_test.exs
Simple merge