refactor: Reformat Code with chome NS code style !!!

too lazy to export it somewhere, if you need it feel free to ask me

src/main/java/me/chayapak1/chomens_bot/plugins/MailPlugin.java

@@ -44,7 +44,7 @@ public class MailPlugin implements PlayersPlugin.Listener {
     }
 
     @Override
-    public void playerJoined(PlayerEntry target) {
+    public void playerJoined (PlayerEntry target) {
         DatabasePlugin.executorService.submit(() -> {
             final String name = target.profile.getName();