CHANGELOG: mention RTL support

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Posts: hover the "replying to" line to see a preview card of the parent post.
 - Chats: ability to leave a chat (on Rebased, Truth Social).
 - Chats: ability to disable chats for yourself.
+- Layout: added right-to-left support for Arabic, Hebrew, Persian, and Central Kurdish languages.
 - Composer: support custom emoji categories.
 - Search: ability to search posts from a specific account (on Pleroma, Rebased).
 - Theme: auto-detect system theme by default.