update changelog

CHANGELOG.md

@@ -1,11 +1,5 @@
 [VERSION]
 
-- Added favicon, page title and meta tags.
-- Added cache control headers for front end files so that they can be cached by the browser.
-- Added logout button.
-- Block sounds from being played when tags are on guilds exclude list.
-- Added auto-reconnection for lavalink connection.
-- Removed the foreign key constraint on the postgres playback log table.
-- Fix web socket disconnection screen.
-- Fix tags input update bug on first input.
-- Fix that search bar can no more receive input when hidden.
+- Add option to download the file a sound. [#1]
+- Add automatic database migrations for Postgres database driver. [#2]
+- Fix `404 Not Found` response on playing a sound when no guild settings have been set before.