Merge branch 'changelog/adminfe' into 'develop'

Document AdminFE in changelog

See merge request pleroma/pleroma!1147

CHANGELOG.md

@@ -31,6 +31,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Metadata RelMe provider
 - OAuth: added support for refresh tokens
 - Emoji packs and emoji pack manager
+- AdminFE: initial release with basic user management accessible at /pleroma/admin/
 
 ### Changed
 - **Breaking:** Configuration: move from Pleroma.Mailer to Pleroma.Emails.Mailer