Update changelog

CHANGELOG.md

@@ -19,6 +19,7 @@
 - Updated admin reports, fixed 404 bug ([dbd5c4cf](https://github.com/pixelfed/pixelfed/commit/dbd5c4cf))
 - Updated AdminController, abstracted dashboard stats to AdminStatsService ([41abe9d2](https://github.com/pixelfed/pixelfed/commit/41abe9d2))
 - Updated StoryCompose component, added upload progress page ([2de3c56f](https://github.com/pixelfed/pixelfed/commit/2de3c56f))
+- Updated instance config, cleanup and add restricted mode ([3be32597](https://github.com/pixelfed/pixelfed/commit/3be32597))
 
 ### Changed