Add SteamwarDiscordBot presence

src/de/steamwar/bungeecore/bot/SteamwarDiscordBot.java

@@ -195,7 +195,7 @@ public class SteamwarDiscordBot {
                 }
                 break;
             case 1:
-                jda.getPresence().setActivity(Activity.of(Activity.ActivityType.DEFAULT, "Online: " + BungeeCore.get().getProxy().getOnlineCount()));
+                jda.getPresence().setActivity(Activity.of(Activity.ActivityType.CUSTOM_STATUS, "Online: " + BungeeCore.get().getProxy().getOnlineCount()));
                 index = 0;
                 return;
         }