Feature: [GS] Scriptable league tables (#10001)

src/league_gui.h

@@ -0,0 +1,19 @@
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file league_gui.h League table GUI functions. */
+
+#ifndef LEAGUE_GUI_H
+#define LEAGUE_GUI_H
+
+#include "league_type.h"
+
+void ShowPerformanceLeagueTable();
+void ShowScriptLeagueTable(LeagueTableID table);
+void ShowFirstLeagueTable();
+
+#endif /* LEAGUE_GUI_H */